Category:Roman Catholic dioceses
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Coats of arms of dioceses of the Roman Catholic Church.
Dioceses that, under the same name, were elevated to Archdioceses are not listed here, but under the archdioceses
Titular sees and dioceses abolished before the start of episcopal heraldry are not included.
Pages in category "Roman Catholic dioceses"
The following 2,487 pages are in this category, out of 2,487 total.
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- Diocese of Aachen
- Diocese of Aba
- Diocese of Abaetetuba
- Diocese of Abakaliki (catholic)
- Diocese of Abancay
- Diocese of Abengourou
- Diocese of Abeokuta
- Diocese of Abercorn
- Diocese of Aberdeen
- Diocese of Abomey
- Diocese of Acarigua-Araure
- Diocese of Accia
- Diocese of Accia and Mariana
- Diocese of Acerno
- Diocese of Acerra
- Diocese of Achonry
- Diocese of Acireale
- Diocese of Acquapendente
- Diocese of Acqui
- Diocese of Adilabad
- Diocese of Adria-Rovigo
- Diocese of Afogados da Ingazeira
- Diocese of Agartala
- Diocese of Agats
- Diocese of Agboville
- Diocese of Agde
- Diocese of Agen
- Diocese of Aguascalientes
- Diocese of Ahiara
- Diocese of Ahmedabad
- Diocese of Aire
- Diocese of Aire-et-Dax
- Diocese of Aitape
- Diocese of Aizawl
- Diocese of Ajaccio
- Diocese of Ajmer
- Diocese of Alagoinhas
- Diocese of Alajuela
- Diocese of Alaminos
- Diocese of Alatri
- Diocese of Alba
- Diocese of Alba Pompeia
- Diocese of Albacete
- Diocese of Albano
- Diocese of Albany
- Diocese of Albarracín
- Diocese of Albenga-Imperia
- Diocese of Alcalá de Henares
- Diocese of Aleria
- Diocese of Ales-Terralba
- Diocese of Alessandria
- Diocese of Alessano
- Diocese of Alet
- Diocese of Alexandria in Louisiana
- Diocese of Alexandria-Cornwall
- Diocese of Alexandria-Shreveport
- Diocese of Alghero
- Diocese of Alghero-Bosa
- Diocese of Alife
- Diocese of Alife-Caiazzo
- Diocese of Alindao
- Diocese of Aliwal
- Diocese of Allahabad
- Diocese of Allentown
- Diocese of Alleppey
- Diocese of Almenara
- Diocese of Almería
- Diocese of Alotau-Sideia
- Diocese of Altamura-Gravina-Acquaviva delle Fonti
- Diocese of Alto Paraná
- Diocese of Alto Solimões
- Diocese of Alto Valle del Río Negro
- Diocese of Alton
- Diocese of Altoona
- Diocese of Altoona-Johnstown
- Diocese of Alès
- Diocese of Aléria
- Diocese of Amargosa
- Diocese of Amarillo
- Diocese of Ambanja
- Diocese of Ambato
- Diocese of Ambatondrazaka
- Diocese of Ambikapur
- Diocese of Amboina
- Diocese of Ambositra
- Diocese of Amelia
- Diocese of Amiens
- Diocese of Amos
- Diocese of Amparo
- Diocese of Ampurias e Tempio
- Diocese of Amravati
- Diocese of Anagni
- Diocese of Anagni-Alatri
- Diocese of Añatuya
- Diocese of Ancona e Numana
- Diocese of Andong
- Diocese of Andria
- Diocese of Angers
- Diocese of Anglona
- Diocese of Anglona-Tursi
- Diocese of Angoulême
- Diocese of Angra
- Diocese of Ankwo
- Diocese of Annecy
- Diocese of Anse-à-Veau et Miragoâne
- Diocese of Antigonish
- Diocese of Antipolo
- Diocese of Antsirabé
- Diocese of Antwerpen
- Diocese of Anuradhapura
- Diocese of Anápolis
- Diocese of Aného
- Diocese of Aosta
- Diocese of Apartadó
- Diocese of Apatzingán
- Diocese of Apt
- Diocese of Apucarana
- Diocese of Aquino e Pontecorvo
- Diocese of Aquino, Sora and Pontecorvo
- Diocese of Araçatuba
- Diocese of Araçuaí
- Diocese of Arauca
- Diocese of Ardagh and Clonmacnoise
- Diocese of Arecibo
- Diocese of Arezzo
- Diocese of Arezzo-Cortona-Sansepolcro
- Diocese of Argyll and the Isles (Roman Catholic)
- Diocese of Ariano
- Diocese of Ariano Irpino-Lacedonia
- Diocese of Arica
- Diocese of Arlington
- Diocese of Armenia
- Diocese of Armidale (Roman Catholic)
- Diocese of Arras
- Diocese of Arua
- Diocese of Arundel and Brighton
- Diocese of Asansol
- Diocese of Ascoli Piceno
- Diocese of Asolo
- Diocese of Assis
- Diocese of Assisi
- Diocese of Assisi-Nocera Umbra-Gualdo Tadino
- Diocese of Asti
- Diocese of Astorga
- Diocese of Atakpamé
- Diocese of Atambua
- Diocese of Aterrado
- Diocese of Atlacomulco
- Diocese of Auchi
- Diocese of Auckland (Catholic)
- Diocese of Augsburg
- Diocese of Auki
- Diocese of Aurangabad
- Diocese of Austin
- Diocese of Autlán
- Diocese of Autun
- Diocese of Auxerre
- Diocese of Aveiro
- Diocese of Avellaneda-Lanús
- Diocese of Avellino
- Diocese of Aversa
- Diocese of Avezzano
- Diocese of Avranches
- Diocese of Awgu
- Diocese of Awka (catholic)
- Diocese of Azcapotzalco
- Diocese of Azogues
- Diocese of Azul
- Diocese of Babahoyo
- Diocese of Bacabal
- Diocese of Bacolod
- Diocese of Badajoz
- Diocese of Badulla
- Diocese of Bafang
- Diocese of Bafatá
- Diocese of Bafia
- Diocese of Bafoussam
- Diocese of Bagdogra
- Diocese of Bagnoregio
- Diocese of Baguio
- Diocese of Bagé
- Diocese of Baie-Comeau
- Diocese of Baker
- Diocese of Balanga
- Diocese of Balasore
- Diocese of Ballarat
- Diocese of Balsas
- Diocese of Bambari
- Diocese of Ban Mê Thuôt
- Diocese of Bandung
- Diocese of Banfora
- Diocese of Bangassou
- Diocese of Bangor
- Diocese of Bangued
- Diocese of Banja Luka
- Diocese of Banjarmasin
- Diocese of Banjul
- Diocese of Banmaw
- Diocese of Banská Bystrica
- Diocese of Baní
- Diocese of Barahona
- Diocese of Barbastro-Monzón
- Diocese of Barcelona in Venezuela
- Diocese of Bareilly
- Diocese of Barinas
- Diocese of Baroda
- Diocese of Barra
- Diocese of Barra do Garças
- Diocese of Barra do Piraí
- Diocese of Barra do Piraí-Volta Redonda
- Diocese of Barra do Rio Grande
- Diocese of Barrancabermeja
- Diocese of Barreiras
- Diocese of Barretos
- Diocese of Baruipur
- Diocese of Basankusu
- Diocese of Basel
- Diocese of Basse-Terre et Pointe-à-Pitre
- Diocese of Bata
- Diocese of Bath and Wells
- Diocese of Bathurst (Roman Catholic)
- Diocese of Bathurst in Canada
- Diocese of Baton Rouge
- Diocese of Batouri
- Diocese of Batticaloa
- Diocese of Baucau
- Diocese of Bauchi
- Diocese of Baudouinville
- Diocese of Bauru
- Diocese of Bayeux
- Diocese of Bayombong
- Diocese of Bayonne
- Diocese of Bazas
- Diocese of Beaumont
- Diocese of Beauvais-Noyon-Senlis
- Diocese of Beja
- Diocese of Belfort-Montbéliard
- Diocese of Belgaum
- Diocese of Belize (Catholic)
- Diocese of Belize City-Belmopan
- Diocese of Bellary
- Diocese of Belleville
- Diocese of Belley-Ars
- Diocese of Belluno-Feltre
- Diocese of Benguela
- Diocese of Beni
- Diocese of Beni nel Congo Belga
- Diocese of Benjamín Aceval
- Diocese of Berbérati
- Diocese of Bereina
- Diocese of Bergamo
- Diocese of Berhampur
- Diocese of Bertinoro
- Diocese of Bethlehem in South Africa
- Diocese of Bettiah
- Diocese of Bezwada
- Diocese of Bhagalpur
- Diocese of Biella
- Diocese of Bielsko-Żywiec
- Diocese of Bikoro
- Diocese of Bilbao
- Diocese of Biloxi
- Diocese of Birmingham in Alabama
- Diocese of Bisarchio
- Diocese of Bisignano
- Diocese of Bismarck
- Diocese of Bissau
- Diocese of Bitetto
- Diocese of Bitonto
- Diocese of Bjelovar-Križevci
- Diocese of Blois
- Diocese of Bluefields
- Diocese of Blumenau
- Diocese of Bo
- Diocese of Boac
- Diocese of Bobbio
- Diocese of Bogor
- Diocese of Boiano
- Diocese of Boiano-Campobasso
- Diocese of Boise
- Diocese of Bokungu-Ikela
- Diocese of Boké
- Diocese of Bolzano-Brixen
- Diocese of Bom Jesus da Lapa
- Diocese of Bom Jesus do Gurguéia
- Diocese of Boma
- Diocese of Bomadi
- Diocese of Bondo (Catholic)
- Diocese of Bondoukou
- Diocese of Bonfim
- Diocese of Bongaigaon
- Diocese of Borongan
- Diocese of Bosa
- Diocese of Bossangoa
- Diocese of Bouar
- Diocese of Bougainville
- Diocese of Boulogne
- Diocese of Bourg-en-Bresse
- Diocese of Bova
- Diocese of Bovino
- Diocese of Braganca Paulista
- Diocese of Bragança do Pará
- Diocese of Bragança Paulista
- Diocese of Bragança-Miranda
- Diocese of Brandenburg
- Diocese of Breda
- Diocese of Brejo
- Diocese of Bremersdorp
- Diocese of Brentwood
- Diocese of Brescia
- Diocese of Bridgeport
- Diocese of Bridgetown
- Diocese of Brno
- Diocese of Broken Bay
- Diocese of Brooklyn
- Diocese of Broome
- Diocese of Brownsville
- Diocese of Brugge
- Diocese of Brugnato
- Diocese of Bubanza
- Diocese of Budjala
- Diocese of Buenaventura
- Diocese of Buffalo
- Diocese of Buga
- Diocese of Bukoba
- Diocese of Bunbury (Roman Catholic)
- Diocese of Bunda
- Diocese of Bungoma
- Diocese of Bunia
- Diocese of Burlington
- Diocese of Bururi
- Diocese of Buta
- Diocese of Butare
- Diocese of Butembo-Beni
- Diocese of Butuan
- Diocese of Buxar
- Diocese of Buéa
- Diocese of Bydgoszcz
- Diocese of Byumba (Catholic)
- Diocese of Bà Rịa
- Diocese of Béziers
- Diocese of Bùi Chu
- Diocese of Bắc Ninh
- Diocese of Caacupé
- Diocese of Cabanatuan
- Diocese of Cabimas
- Diocese of Cabinda
- Diocese of Caçador
- Diocese of Cachoeira do Sul
- Diocese of Cachoeiro de Itapemirim
- Diocese of Caetité
- Diocese of Cafelândia
- Diocese of Cagli e Pergola
- Diocese of Caguas
- Diocese of Cahors
- Diocese of Caiazzo
- Diocese of Caicó
- Diocese of Cairns
- Diocese of Cajamarca
- Diocese of Cajazeiras
- Diocese of Calahorra y La Calzada-Logroño
- Diocese of Calbayog
- Diocese of Caldas
- Diocese of Calgary
- Diocese of Calicut
- Diocese of Callao
- Diocese of Caltagirone
- Diocese of Caltanissetta
- Diocese of Calvi Risorta
- Diocese of Camaçari
- Diocese of Camden
- Diocese of Cametá
- Diocese of Campanha
- Diocese of Campeche
- Diocese of Campina Grande
- Diocese of Campo Limpo
- Diocese of Campo Maior
- Diocese of Campo Mourão
- Diocese of Campos
- Diocese of Canarias
- Diocese of Canelones
- Diocese of Caozhou
- Diocese of Capaccio
- Diocese of Cape Palmas
- Diocese of Capri
- Diocese of Carabayllo
- Diocese of Caraguatatuba
- Diocese of Carapeguá
- Diocese of Caratinga
- Diocese of Caravelas
- Diocese of Carcassonne-Narbonne
- Diocese of Cariati
- Diocese of Carolina
- Diocese of Caroline Islands
- Diocese of Carora
- Diocese of Carpentras
- Diocese of Carpi
- Diocese of Cartagena
- Diocese of Cartago
- Diocese of Cartago in Costa Rica
- Diocese of Caruaru
- Diocese of Carúpano
- Diocese of Casale Monferrato
- Diocese of Caserta
- Diocese of Cassano all'Jonio
- Diocese of Castanhal
- Diocese of Castellammare di Stabia
- Diocese of Castellaneta
- Diocese of Castres
- Diocese of Castro
- Diocese of Catamarca
- Diocese of Catanduva
- Diocese of Catarman
- Diocese of Cava
- Diocese of Cava e Sarno
- Diocese of Cavaillon
- Diocese of Caxias do Maranhão
- Diocese of Caxias do Sul
- Diocese of Caxito
- Diocese of Cayenne
- Diocese of Cefalonia e Zante
- Diocese of Cefalù
- Diocese of Celaya
- Diocese of Celje
- Diocese of Ceneda
- Diocese of Cerignola-Ascoli Satriano
- Diocese of Cerreto Sannita-Telese-Sant’Agata de’ Goti
- Diocese of Cervia
- Diocese of Cesena
- Diocese of Cesena-Sarsina
- Diocese of České Budějovice
- Diocese of Ceuta
- Diocese of Ceylon
- Diocese of Chachapoyas
- Diocese of Chalan Kanoa
- Diocese of Chalatenango
- Diocese of Chalon-sur-Saône
- Diocese of Châlons
- Diocese of Changzhi
- Diocese of Chanthaburi
- Diocese of Chapecó
- Diocese of Charleston
- Diocese of Charlotte
- Diocese of Charlottetown
- Diocese of Chartres
- Diocese of Chascomús
- Diocese of Chatham
- Diocese of Cheju
- Diocese of Chengdu
- Diocese of Cheongju
- Diocese of Cheyenne
- Diocese of Chełmno
- Diocese of Chiang Mai
- Diocese of Chiang Rai
- Diocese of Chiapas
- Diocese of Chiavari
- Diocese of Chiclayo
- Diocese of Chicoutimi
- Diocese of Chiemsee
- Diocese of Chikmagalur
- Diocese of Chikwawa
- Diocese of Chilaw
- Diocese of Chillán
- Diocese of Chilpancingo-Chilapa
- Diocese of Chimbote
- Diocese of Chimoio
- Diocese of Chingleput
- Diocese of Chinhoyi
- Diocese of Chioggia
- Diocese of Chios
- Diocese of Chipata
- Diocese of Chiquinquirá
- Diocese of Chitré
- Diocese of Chiusi
- Diocese of Chiusi-Pienza
- Diocese of Chişinău
- Diocese of Choluteca
- Diocese of Chosica
- Diocese of Christchurch (Catholic)
- Diocese of Chulucanas
- Diocese of Chunchon
- Diocese of Chur
- Diocese of Churchill-Hudson Bay
- Diocese of Ciego de Ávila
- Diocese of Cienfuegos
- Diocese of Cittanova
- Diocese of Città della Pieve
- Diocese of Città di Castello
- Diocese of Città Ducale
- Diocese of Ciudad Altamirano
- Diocese of Ciudad del Este
- Diocese of Ciudad Guayana
- Diocese of Ciudad Guzmán
- Diocese of Ciudad Juárez
- Diocese of Ciudad Lázaro Cárdenas
- Diocese of Ciudad Obregón
- Diocese of Ciudad Quesada
- Diocese of Ciudad Real
- Diocese of Ciudad Rodrigo
- Diocese of Ciudad Valles
- Diocese of Ciudad Victoria
- Diocese of Ciudad Victoria-Tamaulipas
- Diocese of Civita Castellana
- Diocese of Civita Castellana e Orte
- Diocese of Civita Castellana, Orte e Gallese
- Diocese of Civitavecchia-Tarquinia
- Diocese of Cleveland
- Diocese of Clifton
- Diocese of Clogher (Catholic)
- Diocese of Clonfert
- Diocese of Cloyne
- Diocese of Coari
- Diocese of Coatzacoalcos
- Diocese of Cochin
- Diocese of Coimbatore
- Diocese of Coimbra
- Diocese of Colatina
- Diocese of Colima
- Diocese of Colle di Val d’Elsa
- Diocese of Colombo
- Diocese of Colorado Springs
- Diocese of Columbus
- Diocese of Colón-Kuna Yala
- Diocese of Comacchio
- Diocese of Comayagua
- Diocese of Comminges
- Diocese of Como
- Diocese of Comodoro Rivadavia
- Diocese of Concepción
- Diocese of Concepción in Paraguay
- Diocese of Concepción y Chaco
- Diocese of Concordia (Argentina)
- Diocese of Concordia (USA)
- Diocese of Concordia-Pordenone
- Diocese of Condom
- Diocese of Constantine
- Diocese of Conversano
- Diocese of Conversano-Monopoli
- Diocese of Copiapó
- Diocese of Coria-Cáceres
- Diocese of Cork and Ross
- Diocese of Corner Brook and Labrador
- Diocese of Cornélio Procópio
- Diocese of Coroatá
- Diocese of Coroico
- Diocese of Coron
- Diocese of Coronel Oviedo
- Diocese of Corpus Christi
- Diocese of Cortona
- Diocese of Corumbá
- Diocese of Corvey
- Diocese of Couserans
- Diocese of Coutances
- Diocese of Covington
- Diocese of Coxim
- Diocese of Crateús
- Diocese of Crato
- Diocese of Crema
- Diocese of Cremona
- Diocese of Crete
- Diocese of Criciúma
- Diocese of Crookston
- Diocese of Crotone
- Diocese of Cruz Alta
- Diocese of Cruz das Almas
- Diocese of Cruz del Eje
- Diocese of Cruzeiro do Sul
- Diocese of Créteil
- Diocese of Cuauhtémoc-Madera
- Diocese of Cuautitlán
- Diocese of Cubao
- Diocese of Cuddapah
- Diocese of Cuenca
- Diocese of Cuernavaca
- Diocese of Culiacán
- Diocese of Cuneo
- Diocese of Cyangugu
- Diocese of Cádiz
- Diocese of Cádiz y Ceuta
- Diocese of Cândido Mendes
- Diocese of Córdoba (Mexico)
- Diocese of Córdoba (Spain)
- Diocese of Cúcuta
- Diocese of Cần Thơ
- Diocese of Daejeon
- Diocese of Daet
- Diocese of Dallas
- Diocese of Daloa
- Diocese of Daltonganj
- Diocese of Damongo
- Diocese of Damão
- Diocese of Danlí
- Diocese of Dapaong
- Diocese of Darjeeling
- Diocese of Daru-Kiunga
- Diocese of Darwin
- Diocese of Dassa-Zoumé
- Diocese of Datong
- Diocese of Daule
- Diocese of Davenport
- Diocese of David
- Diocese of Dax
- Diocese of De Aar
- Diocese of Dédougou
- Diocese of Dedza
- Diocese of Denpasar
- Diocese of Derry (Catholic)
- Diocese of Des Moines
- Diocese of Deventer
- Diocese of Dharmapuri
- Diocese of Diamantino
- Diocese of Dibrugarh
- Diocese of Die
- Diocese of Digne
- Diocese of Digos
- Diocese of Dinajpur
- Diocese of Dindigul
- Diocese of Diphu
- Diocese of Dipolog
- Diocese of Divinópolis
- Diocese of Diébougou
- Diocese of Djajapura
- Diocese of Djibouti
- Diocese of Djougou
- Diocese of Doba
- Diocese of Dodge City
- Diocese of Dol
- Diocese of Dolisie
- Diocese of Dori
- Diocese of Dorpat
- Diocese of Doruma-Dungu
- Diocese of Doumé-Abong' Mbang
- Diocese of Dourados
- Diocese of Down and Connor
- Diocese of Dresden-Meissen
- Diocese of Drohiczyn
- Diocese of Dromore
- Diocese of Dubrovnik
- Diocese of Duitama-Sogamoso
- Diocese of Duluth
- Diocese of Dumaguete
- Diocese of Dumka
- Diocese of Dundee
- Diocese of Dundo
- Diocese of Dunedin (Catholic)
- Diocese of Dunkeld
- Diocese of Duque de Caxias
- Diocese of Durham
- Diocese of Duvno
- Diocese of Díli
- Diocese of East Anglia
- Diocese of Ebebiyin
- Diocese of Ebolowa
- Diocese of Ecatepec
- Diocese of Edmundston
- Diocese of Edéa
- Diocese of Eichstätt
- Diocese of Eisenstadt
- Diocese of Ekiti (catholic)
- Diocese of Ekwulobia
- Diocese of El Alto
- Diocese of El Banco
- Diocese of El Espinal
- Diocese of El Obeid
- Diocese of El Paso
- Diocese of El Tigre
- Diocese of El Vigía-San Carlos del Zulia
- Diocese of Elbląg
- Diocese of Eldoret
- Diocese of Elphin
- Diocese of Eluru
- Diocese of Elvas
- Diocese of Ely
- Diocese of Embu (Catholic)
- Diocese of Encarnación
- Diocese of Engativá
- Diocese of Ensenada
- Diocese of Enugu
- Diocese of Erexim
- Diocese of Erfurt
- Diocese of Erie
- Diocese of Escuintla
- Diocese of Eshowe
- Diocese of Essen
- Diocese of Estelí
- Diocese of Estância
- Diocese of Eséka
- Diocese of Eunápolis
- Diocese of Evansville
- Diocese of Evinayong
- Diocese of Ełk
- Diocese of Fabriano
- Diocese of Fabriano-Matelica
- Diocese of Facatativá
- Diocese of Fada N’Gourma
- Diocese of Faenza
- Diocese of Faenza-Modigliana
- Diocese of Fairbanks
- Diocese of Faisalabad
- Diocese of Fajardo-Humacao
- Diocese of Fall River
- Diocese of Famagusta
- Diocese of Fano
- Diocese of Fano-Fossombrone-Cagli-Pergola
- Diocese of Farafangana
- Diocese of Fargo
- Diocese of Faro
- Diocese of Feldkirch
- Diocese of Feltre
- Diocese of Fenoarivo Atsinanana
- Diocese of Ferentino
- Diocese of Ferns
- Diocese of Fidenza
- Diocese of Fiesole
- Diocese of Florencia
- Diocese of Floresta
- Diocese of Floriano
- Diocese of Florida
- Diocese of Foligno
- Diocese of Fontibón
- Diocese of Forlì
- Diocese of Forlì-Bertinoro
- Diocese of Formosa (Argentina)
- Diocese of Formosa (Brazil)
- Diocese of Fort Jameson
- Diocese of Fort Portal
- Diocese of Fort Rosebery
- Diocese of Fort Wayne-South Bend
- Diocese of Fort William
- Diocese of Fort Worth
- Diocese of Fort-Dauphin
- Diocese of Fort-Liberté
- Diocese of Fossano
- Diocese of Fossombrone
- Diocese of Foz do Iguaçu
- Diocese of Franca
- Diocese of Franceville
- Diocese of Francistown
- Diocese of Frascati
- Diocese of Frederico Westphalen
- Diocese of Fresno
- Diocese of Frosinone-Veroli-Ferentino
- Diocese of Fréjus-Toulon
- Diocese of Fukuoka
- Diocese of Fulda
- Diocese of Funchal
- Diocese of Gaborone
- Diocese of Galle
- Diocese of Gallese
- Diocese of Gallipoli
- Diocese of Galloway
- Diocese of Gallup
- Diocese of Galtelli-Nuoro
- Diocese of Galveston
- Diocese of Galveston-Houston
- Diocese of Galway, Kilmacduagh and Kilfenora
- Diocese of Gamboma
- Diocese of Gaoua
- Diocese of Gap
- Diocese of Garagoa
- Diocese of Garanhuns
- Diocese of Garissa
- Diocese of Gary
- Diocese of Garzón
- Diocese of Gaspé
- Diocese of Gatineau-Hull
- Diocese of Gaylord
- Diocese of Gbarnga
- Diocese of Gboko (catholic)
- Diocese of Geita
- Diocese of Gent
- Diocese of Genève
- Diocese of Georgetown
- Diocese of Gerace
- Diocese of Gerace-Locri
- Diocese of Geraldton
- Diocese of Getafe
- Diocese of Gibraltar
- Diocese of Gikongoro
- Diocese of Giovinazzo
- Diocese of Giovinazzo e Terlizzi
- Diocese of Girardot
- Diocese of Girardota
- Diocese of Girona
- Diocese of Gizo
- Diocese of Glandèves
- Diocese of Gliwice
- Diocese of Goaso
- Diocese of Goiás
- Diocese of Gokwe
- Diocese of Golfe St-Laurent
- Diocese of Goma
- Diocese of Goroka
- Diocese of Gorzów
- Diocese of Goré
- Diocese of Gospić-Senj
- Diocese of Governador Valadares
- Diocese of Goya
- Diocese of Gozo
- Diocese of Grajaú
- Diocese of Granada
- Diocese of Granada (Colombia)
- Diocese of Grand Falls
- Diocese of Grand Island
- Diocese of Grand Rapids
- Diocese of Grand-Bassam
- Diocese of Grass Valley
- Diocese of Grasse
- Diocese of Gravelbourg
- Diocese of Gravina
- Diocese of Gravina e Irsina
- Diocese of Graz-Seckau
- Diocese of Great Falls-Billings
- Diocese of Green Bay
- Diocese of Greensburg
- Diocese of Gregorio de Laferrere
- Diocese of Grenoble-Vienne
- Diocese of Grodno
- Diocese of Groningen
- Diocese of Groningen-Leeuwarden
- Diocese of Grosseto
- Diocese of Guadix
- Diocese of Guajará-Mirim
- Diocese of Gualeguaychú
- Diocese of Guamá
- Diocese of Guanare
- Diocese of Guanhães
- Diocese of Guantánamo-Baracoa
- Diocese of Guarabira
- Diocese of Guaranda
- Diocese of Guarapuava
- Diocese of Guarda
- Diocese of Guarenas
- Diocese of Guarulhos
- Diocese of Guasdualito
- Diocese of Guastalla
- Diocese of Guaxupé
- Diocese of Gubbio
- Diocese of Guiratinga
- Diocese of Gulbarga
- Diocese of Gumaca
- Diocese of Gumla
- Diocese of Guntur
- Diocese of Gurk
- Diocese of Gurué
- Diocese of Guéckédou
- Diocese of Gwalior
- Diocese of Gweru
- Diocese of Győr
- Diocese of Gómez Palacio
- Diocese of Görlitz
- Diocese of Haarlem
- Diocese of Haarlem-Amsterdam
- Diocese of Hai Phòng
- Diocese of Haileybury
- Diocese of Hakha
- Diocese of Hakodate
- Diocese of Halberstadt
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- Diocese of Hamhung
- Diocese of Hamhŭng
- Diocese of Hamilton (Canada)
- Diocese of Hamilton in Bermuda
- Diocese of Hamilton in New Zealand
- Diocese of Harbour Grace
- Diocese of Harbour Grace-Grand Falls
- Diocese of Harrisburg
- Diocese of Hasselt
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- Diocese of Havelberg
- Diocese of Hazaribag
- Diocese of Hearst
- Diocese of Hearst-Moosonee
- Diocese of Helena
- Diocese of Helsinki (Catholic)
- Diocese of Hereford
- Diocese of 's Hertogenbosch
- Diocese of Hexham and Newcastle
- Diocese of Hildesheim
- Diocese of Hinche
- Diocese of Hiroshima
- Diocese of Ho
- Diocese of Hoima
- Diocese of Holguín
- Diocese of Homa Bay
- Diocese of Hong Kong
- Diocese of Honolulu
- Diocese of Houma-Thibodaux
- Diocese of Hpa-an
- Diocese of Hradec Králové
- Diocese of Hsinchu
- Diocese of Huacho
- Diocese of Huajuapan de León
- Diocese of Huancavelica
- Diocese of Huaraz
- Diocese of Huarí
- Diocese of Huehuetenango
- Diocese of Huejutla
- Diocese of Huelva
- Diocese of Huesca
- Diocese of Hull
- Diocese of Humaitá
- Diocese of Huánuco
- Diocese of Hvar-Brac-Vis
- Diocese of Hwalien
- Diocese of Hwange
- Diocese of Hyderabad
- Diocese of Hà Tĩnh
- Diocese of Hưng Hóa
- Diocese of Iași
- Diocese of Iba
- Diocese of Ibarra
- Diocese of Ibiza
- Diocese of Ica
- Diocese of Idah
- Diocese of Idiofa
- Diocese of Ieper
- Diocese of Ifakara
- Diocese of Iglesias
- Diocese of Iguatu
- Diocese of Ihosy
- Diocese of Ijebu-Ode
- Diocese of Ikela
- Diocese of Ikot Ekpene
- Diocese of Ilagan
- Diocese of Ilhéus
- Diocese of Iligan
- Diocese of Ilorin
- Diocese of Imola
- Diocese of Imperatriz
- Diocese of Impfondo
- Diocese of Imus
- Diocese of Incheon
- Diocese of Indore
- Diocese of Inhambane
- Diocese of Innsbruck
- Diocese of Inongo
- Diocese of Ipameri
- Diocese of Ipiales
- Diocese of Ipil
- Diocese of Iquique
- Diocese of Irapuato
- Diocese of Irecê
- Diocese of Iringa
- Diocese of Irinjalakuda
- Diocese of Isangi
- Diocese of Ischia
- Diocese of Isernia
- Diocese of Isernia-Venafro
- Diocese of Isiro-Niangara
- Diocese of Islamabad-Rawalpindi
- Diocese of Islas Canarias
- Diocese of Isola
- Diocese of Issele-Uku
- Diocese of Istmina-Tadó
- Diocese of Itabira-Fabriciano
- Diocese of Itabuna
- Diocese of Itaguaí
- Diocese of Itanagar
- Diocese of Itapetininga
- Diocese of Itapeva
- Diocese of Itapipoca
- Diocese of Ituiutaba
- Diocese of Itumbiara
- Diocese of Ivrea
- Diocese of Izcalli
- Diocese of Iztapalapa
- Diocese of Jabalpur
- Diocese of Jaboticabal
- Diocese of Jaca
- Diocese of Jacarezinho
- Diocese of Jackson
- Diocese of Jacmel
- Diocese of Jaffna
- Diocese of Jaipur
- Diocese of Jalapa
- Diocese of Jales
- Diocese of Jalingo
- Diocese of Jalpaiguri
- Diocese of Jammu-Srinagar
- Diocese of Jamshedpur
- Diocese of Janaúba
- Diocese of Januária
- Diocese of Jardim
- Diocese of Jashpur
- Diocese of Jasikan
- Diocese of Jataí
- Diocese of Jayapura
- Diocese of Jaén
- Diocese of Jefferson City
- Diocese of Jelgava
- Diocese of Jeonju
- Diocese of Jequié
- Diocese of Jerez de la Frontera
- Diocese of Jericó
- Diocese of Jesi
- Diocese of Jhabua
- Diocese of Jhansi
- Diocese of Ji-Paraná
- Diocese of Jinja
- Diocese of Jinotega
- Diocese of Jinzhou
- Diocese of Jixian
- Diocese of Ji’an
- Diocese of Joaçaba
- Diocese of Joinville
- Diocese of Joliet
- Diocese of Joliette
- Diocese of Jowai
- Diocese of João Belo
- Diocese of Juazeiro
- Diocese of Juigalpa
- Diocese of Jujuy
- Diocese of Jullundur
- Diocese of Jundiaí
- Diocese of Juneau
- Diocese of Juticalpa
- Diocese of Juína
- Diocese of Jérémie
- Diocese of Kabale
- Diocese of Kabankalan
- Diocese of Kabgayi
- Diocese of Kabinda
- Diocese of Kabwe
- Diocese of Kafanchan
- Diocese of Kaga-Bandoro
- Diocese of Kagoshima
- Diocese of Kahama
- Diocese of Kaišiadorys
- Diocese of Kakamega
- Diocese of Kalamazoo
- Diocese of Kalay
- Diocese of Kalemie-Kirungu
- Diocese of Kalibo
- Diocese of Kalisz
- Diocese of Kalookan
- Diocese of Kamina
- Diocese of Kamloops
- Diocese of Kammin
- Diocese of Kamyanets-Podilskyi
- Diocese of Kandi
- Diocese of Kandy
- Diocese of Kangding
- Diocese of Kankan
- Diocese of Kannur
- Diocese of Kano
- Diocese of Kansas City
- Diocese of Kansas City-Saint Joseph
- Diocese of Kaohsiung
- Diocese of Kaolack
- Diocese of Kaposvár
- Diocese of Kara
- Diocese of Karaganda
- Diocese of Karema
- Diocese of Karonga
- Diocese of Karwar
- Diocese of Kasana-Luweero
- Diocese of Kasese
- Diocese of Kasongo
- Diocese of Katiola
- Diocese of Katsina-Ala
- Diocese of Kavieng
- Diocese of Kaya
- Diocese of Kayes
- Diocese of Kearney
- Diocese of Keetmanshoop
- Diocese of Keimoes-Upington
- Diocese of Kenema
- Diocese of Kenge
- Diocese of Kengtung
- Diocese of Keningau
- Diocese of Kerema
- Diocese of Kericho (Catholic)
- Diocese of Kerry
- Diocese of Keta-Akatsi
- Diocese of Ketapang
- Diocese of Khammam
- Diocese of Khandwa
- Diocese of Kharkiv-Zaporizhia
- Diocese of Khulna
- Diocese of Khunti
- Diocese of Kiayi
- Diocese of Kibungo
- Diocese of Kidapawan
- Diocese of Kielce
- Diocese of Kigoma
- Diocese of Kikwit
- Diocese of Kildare and Leighlin
- Diocese of Killala
- Diocese of Killaloe
- Diocese of Kilmore
- Diocese of Kilwa-Kasenga
- Diocese of Kimbe
- Diocese of Kimberley
- Diocese of Kindu
- Diocese of Kingstown
- Diocese of Kinkala
- Diocese of Kisamos
- Diocese of Kisantu
- Diocese of Kisii
- Diocese of Kitale
- Diocese of Kitui
- Diocese of Kiyinda-Mityana
- Diocese of Klerksdorp
- Diocese of Knoxville
- Diocese of Koforidua
- Diocese of Kohima
- Diocese of Kokstad
- Diocese of Kolda
- Diocese of Kole
- Diocese of Kolwezi
- Diocese of Kondoa
- Diocese of Kongolo
- Diocese of Konongo-Mampong
- Diocese of Konstanz
- Diocese of Kontum
- Diocese of Koper
- Diocese of Koszalin-Kołobrzeg
- Diocese of Kotido
- Diocese of Kotor
- Diocese of Kottapuram
- Diocese of Kottar
- Diocese of Koudougou
- Diocese of Kpalimé
- Diocese of Kribi
- Diocese of Krishnagar
- Diocese of Krk
- Diocese of Kroonstad
- Diocese of Kujawy–Kaliska
- Diocese of Kujawy–Pomorze
- Diocese of Kumba
- Diocese of Kumbakonam
- Diocese of Kumbo
- Diocese of Kundiawa
- Diocese of Kurnool
- Diocese of Kurunegala
- Diocese of Kuzhithurai
- Diocese of Kwito-Bié
- Diocese of Kyiv and Chernihiv
- Diocese of Kyiv-Zhytomyr
- Diocese of Kyoto
- Diocese of København
- Diocese of La Ceiba
- Diocese of La Crosse
- Diocese of La Dorada-Guaduas
- Diocese of La Guaira
- Diocese of La Paz en la Baja California Sur
- Diocese of La Rioja
- Diocese of La Rochelle et Saintes
- Diocese of La Spezia-Sarzana-Brugnato
- Diocese of La Vega
- Diocese of Labrador City-Schefferville
- Diocese of Lacedonia
- Diocese of Lae
- Diocese of Lafayette in Indiana
- Diocese of Lafayette in Louisiana
- Diocese of Lafia
- Diocese of Lages
- Diocese of Laghouat
- Diocese of Lai
- Diocese of Lake Charles
- Diocese of Lamego
- Diocese of Lamezia Terme
- Diocese of Lancaster
- Diocese of Langres
- Diocese of Lansing
- Diocese of Lanusei
- Diocese of Laoag
- Diocese of Laon
- Diocese of Larantuka
- Diocese of Laredo
- Diocese of Las Cruces
- Diocese of Lashio
- Diocese of Latacunga
- Diocese of Latina-Terracina-Sezze-Priverno
- Diocese of Lausanne
- Diocese of Lausanne, Geneva and Fribourg
- Diocese of Laval
- Diocese of Lavaur
- Diocese of Le Havre
- Diocese of Le Mans
- Diocese of Le Puy-en-Velay
- Diocese of Lead
- Diocese of Leavenworth
- Diocese of Lebus
- Diocese of Lectoure
- Diocese of Leeds (Catholic)
- Diocese of Leeuwarden
- Diocese of Legazpi
- Diocese of Legnica
- Diocese of Leiria-Fátima
- Diocese of Leopoldina
- Diocese of Leribe
- Diocese of Les Cayes
- Diocese of Lescar
- Diocese of Lexington
- Diocese of Lezhë
- Diocese of León
- Diocese of León en Nicaragua
- Diocese of Libmanan
- Diocese of Lichfield
- Diocese of Lichinga
- Diocese of Liepāja
- Diocese of Limburg
- Diocese of Limeira
- Diocese of Limerick (Catholic)
- Diocese of Limoeiro do Norte
- Diocese of Limoges
- Diocese of Limón
- Diocese of Linares (Chile)
- Diocese of Linares (Mexico)
- Diocese of Lincoln (USA)
- Diocese of Lindi
- Diocese of Linhai
- Diocese of Lins
- Diocese of Linz
- Diocese of Lipari
- Diocese of Lira
- Diocese of Lisala
- Diocese of Lisieux
- Diocese of Lismore
- Diocese of Litomyšl
- Diocese of Litoměřice
- Diocese of Little Rock
- Diocese of Livingstone
- Diocese of Livorno
- Diocese of Livramento de Nossa Senhora
- Diocese of Liège
- Diocese of Llandaff
- Diocese of Lleida
- Diocese of Locri-Gerace
- Diocese of Lodi
- Diocese of Lodwar
- Diocese of Lodève
- Diocese of Loikaw
- Diocese of Loja
- Diocese of Lokoja (catholic)
- Diocese of Lokossa
- Diocese of Lolo
- Diocese of Lomas de Zamora
- Diocese of Lombez
- Diocese of London, Ontario
- Diocese of Long Xuyên
- Diocese of Lorena
- Diocese of Los Teques
- Diocese of Louis Trichardt-Tzaneen
- Diocese of Lubbock
- Diocese of Lucena
- Diocese of Lucera
- Diocese of Lucera-Troia
- Diocese of Lucknow (Catholic)
- Diocese of Luebo
- Diocese of Lugano
- Diocese of Lugazi
- Diocese of Lugo
- Diocese of Lugoj
- Diocese of Luiza
- Diocese of Luni
- Diocese of Luni e Sarzana
- Diocese of Lurín
- Diocese of Lutsk
- Diocese of Luz
- Diocese of Luziânia
- Diocese of Luçon
- Diocese of Lwena
- Diocese of Lydenburg
- Diocese of Lydenburg-Witbank
- Diocese of Líbano-Honda
- Diocese of Lübeck
- Diocese of Lạng Sơn and Cao Bằng
- Diocese of Maasin
- Diocese of Macapá
- Diocese of Macau
- Diocese of Macerata
- Diocese of Macerata e Tolentino
- Diocese of Macerata-Tolentino-Recanati-Cingoli-Treia
- Diocese of Machakos (Catholic)
- Diocese of Machala
- Diocese of Machiques
- Diocese of Mackenzie-Fort Smith
- Diocese of Madison
- Diocese of Madurai
- Diocese of Magangué
- Diocese of Magdeburg
- Diocese of Mahagi-Nioka
- Diocese of Mahajanga
- Diocese of Mahenge
- Diocese of Maiduguri
- Diocese of Maillezais
- Diocese of Maintirano
- Diocese of Mainz
- Diocese of Maitland-Newcastle
- Diocese of Majunga
- Diocese of Makeni
- Diocese of Makurdi
- Diocese of Malakal
- Diocese of Malang
- Diocese of Malaybalay
- Diocese of Maldonado-Punta del Este
- Diocese of Maliana
- Diocese of Malindi (Catholic)
- Diocese of Mallorca
- Diocese of Malolos
- Diocese of Mamfe
- Diocese of Man
- Diocese of Manado
- Diocese of Mananjary
- Diocese of Manchester (USA)
- Diocese of Mandeville
- Diocese of Manga
- Diocese of Mangalore
- Diocese of Mangochi
- Diocese of Mannar
- Diocese of Manokwari-Sorong
- Diocese of Manono
- Diocese of Mansa
- Diocese of Mantova
- Diocese of Manzini
- Diocese of Mao-Monte Cristi
- Diocese of Mar del Plata
- Diocese of Marabá
- Diocese of Maracay
- Diocese of Maradi
- Diocese of Maralal
- Diocese of Maramureş
- Diocese of Marbel
- Diocese of Margarita
- Diocese of Mariana
- Diocese of Mariannhill
- Diocese of Maroua-Mokolo
- Diocese of Marquette
- Diocese of Marsabit
- Diocese of Marsi
- Diocese of Marsico Nuovo
- Diocese of Marília
- Diocese of Masaka
- Diocese of Masan
- Diocese of Masbate
- Diocese of Massa
- Diocese of Massa Carrara-Pontremoli
- Diocese of Massa Lubrense
- Diocese of Massa Marittima-Piombino
- Diocese of Masvingo
- Diocese of Matadi
- Diocese of Matagalpa
- Diocese of Matamoros
- Diocese of Matanzas
- Diocese of Matehuala
- Diocese of Mati
- Diocese of Maturín
- Diocese of Maumere
- Diocese of Mawlamyine
- Diocese of Mayagüez
- Diocese of Mazara del Vallo
- Diocese of Mazatlán
- Diocese of Mbala
- Diocese of Mbala-Mpika
- Diocese of Mbalmayo
- Diocese of Mbanza Congo
- Diocese of Mbarara
- Diocese of Mbaïki
- Diocese of Mbinga
- Diocese of Mbujimayi
- Diocese of Mbulu
- Diocese of Meath
- Diocese of Meaux
- Diocese of Meerut
- Diocese of Meissen
- Diocese of Melaka-Johor
- Diocese of Melfi
- Diocese of Melfi e Rapolla
- Diocese of Melfi-Rapolla-Venosa
- Diocese of Melipilla
- Diocese of Melo
- Diocese of Memphis
- Diocese of Mende
- Diocese of Mendi
- Diocese of Menevia
- Diocese of Menongue
- Diocese of Menorca
- Diocese of Mercedes
- Diocese of Merlo-Moreno
- Diocese of Merseburg
- Diocese of Meru
- Diocese of Metuchen
- Diocese of Metz
- Diocese of Mexicali
- Diocese of Miao
- Diocese of Miarinarivo
- Diocese of Michoacán
- Diocese of Middelburg
- Diocese of Middlesbrough
- Diocese of Mileto
- Diocese of Mileto-Nicotera-Tropea
- Diocese of Minas
- Diocese of Mindelo
- Diocese of Minden
- Diocese of Minervino Murge
- Diocese of Minna (catholic)
- Diocese of Miracema do Norte
- Diocese of Miracema do Tocantins
- Diocese of Miranda
- Diocese of Mirepoix
- Diocese of Miri
- Diocese of Mocoa-Sibundoy
- Diocese of Modon
- Diocese of Mogadishu
- Diocese of Mogi das Cruzes
- Diocese of Mohale's Hoek
- Diocese of Molegbe
- Diocese of Molfetta
- Diocese of Molfetta, Giovinazzo e Terlizzi
- Diocese of Molfetta-Ruvo-Giovinazzo-Terlizzi
- Diocese of Mondovì
- Diocese of Mondoñedo
- Diocese of Mondoñedo-Ferrol
- Diocese of Mongomo
- Diocese of Mongu
- Diocese of Monopoli
- Diocese of Mont-Laurier
- Diocese of Montalcino
- Diocese of Montalto
- Diocese of Montauban
- Diocese of Monte Cassino
- Diocese of Montefeltro
- Diocese of Montefiascone
- Diocese of Montego Bay
- Diocese of Montelíbano
- Diocese of Montenegro
- Diocese of Montepeloso
- Diocese of Montepulciano
- Diocese of Montepulciano-Chiusi-Pienza
- Diocese of Monterey in California
- Diocese of Monteria
- Diocese of Montería
- Diocese of Monze
- Diocese of Moosonee
- Diocese of Mopti
- Diocese of Moramanga
- Diocese of Morogoro (catholic)
- Diocese of Morombe
- Diocese of Morondava
- Diocese of Moroto
- Diocese of Morón
- Diocese of Moshi
- Diocese of Mossoró
- Diocese of Mostar-Duvno
- Diocese of Motherwell
- Diocese of Mottola
- Diocese of Mouila
- Diocese of Moulins
- Diocese of Moundou
- Diocese of Mpanda
- Diocese of Mpika
- Diocese of Mtwara
- Diocese of Mukachevo
- Diocese of Multan
- Diocese of Muranga
- Diocese of Muro Lucano
- Diocese of Murska Sobota
- Diocese of Musoma
- Diocese of Mutare
- Diocese of Muyinga
- Diocese of Muzaffarpur
- Diocese of Mweka
- Diocese of Myitkyina
- Diocese of Mymensingh
- Diocese of Mysore
- Diocese of Mzuzu
- Diocese of Málaga
- Diocese of Málaga-Soatá
- Diocese of Mâcon
- Diocese of Münster
- Diocese of Mỹ Tho
- Diocese of Nacala
- Diocese of Nachingwea
- Diocese of Nagoya
- Diocese of Naha
- Diocese of Nakhon Ratchasima
- Diocese of Nakhon Sawan
- Diocese of Nakuru
- Diocese of Nalgonda
- Diocese of Namibe
- Diocese of Namur
- Diocese of Nancy
- Diocese of Nancy-Toul
- Diocese of Nanterre
- Diocese of Nantes
- Diocese of Nardò
- Diocese of Nardò-Gallipoli
- Diocese of Narni
- Diocese of Nashik
- Diocese of Nashville
- Diocese of Natchez
- Diocese of Natchitoches
- Diocese of Natitingou
- Diocese of Naumburg
- Diocese of Naval
- Diocese of Naviraí
- Diocese of Navrongo-Bolgatanga
- Diocese of Nazaré
- Diocese of Ndalatando
- Diocese of Ndola
- Diocese of Nebbi
- Diocese of Nebbio
- Diocese of Neiva
- Diocese of Nellore
- Diocese of Nelson (Canada)
- Diocese of Nemosia
- Diocese of Nepi e Sutri
- Diocese of Nesqually
- Diocese of Netzahualcóyotl
- Diocese of Neuquén
- Diocese of Nevers
- Diocese of New Ulm
- Diocese of New Westminster
- Diocese of Newfoundland (catholic)
- Diocese of Neyyattinkara
- Diocese of Ngaoundéré
- Diocese of Ngong
- Diocese of Ngozi
- Diocese of Ngunza
- Diocese of Nha Trang
- Diocese of Niangara
- Diocese of Nice
- Diocese of Nicolet
- Diocese of Nicopoli
- Diocese of Nicosia
- Diocese of Nicotera e Tropea
- Diocese of Niigata
- Diocese of Ningbo
- Diocese of Ningxia
- Diocese of Nitra
- Diocese of Njombe
- Diocese of Nkayi
- Diocese of Nkongsamba
- Diocese of Nnewi (catholic)
- Diocese of Nocera de’ Pagani
- Diocese of Nocera Inferiore-Sarno
- Diocese of Nocera Umbra-Gualdo Tadino
- Diocese of Nogales
- Diocese of Nola
- Diocese of Noli
- Diocese of Nongstoin
- Diocese of Norcia
- Diocese of Northampton
- Diocese of Norwich
- Diocese of Norwich (USA)
- Diocese of Noto
- Diocese of Nottingham
- Diocese of Nouakchott
- Diocese of Nouna
- Diocese of Nova Friburgo
- Diocese of Nova Iguaçu
- Diocese of Novaliches
- Diocese of Novara
- Diocese of Novo Hamburgo
- Diocese of Novo Mesto
- Diocese of Novo Redondo
- Diocese of Noyon
- Diocese of Nsukka (catholic)
- Diocese of Nuestra Señora de la Altagracia en Higüey
- Diocese of Nueve de Julio
- Diocese of Nuevo Casas Grandes
- Diocese of Nuevo Laredo
- Diocese of Nuoro
- Diocese of Nusco
- Diocese of Nyahururu
- Diocese of Nyundo
- Diocese of Nîmes
- Diocese of N’Dali
- Diocese of N’Zérékoré
- Diocese of Oakland
- Diocese of Obala
- Diocese of Oberá
- Diocese of Óbidos
- Diocese of Obuasi
- Diocese of Ocaña
- Diocese of Odessa-Simferopol
- Diocese of Odienné
- Diocese of Oeiras
- Diocese of of Les Gonaïves
- Diocese of Ogdensburg
- Diocese of Ogoja
- Diocese of Oita
- Diocese of Okigwe
- Diocese of Oliveira
- Diocese of Oloron
- Diocese of Ondjiva
- Diocese of Ondo
- Diocese of Ootacamund
- Diocese of Opole
- Diocese of Oppido Mamertina-Palmi
- Diocese of Oradea Mare
- Diocese of Oran
- Diocese of Orán
- Diocese of Orange
- Diocese of Orange (France)
- Diocese of Oregon City
- Diocese of Orense
- Diocese of Oria
- Diocese of Orihuela-Alicante
- Diocese of Orizaba
- Diocese of Orlando
- Diocese of Orlu (catholic)
- Diocese of Orléans
- Diocese of Oruro
- Diocese of Orvieto
- Diocese of Orvieto-Todi
- Diocese of Osasco
- Diocese of Osimo
- Diocese of Oslo (Catholic)
- Diocese of Osma-Soria
- Diocese of Osnabrück
- Diocese of Osogbo
- Diocese of Osorno
- Diocese of Ossero
- Diocese of Ossory
- Diocese of Ostia
- Diocese of Ostrava-Opava
- Diocese of Ostuni
- Diocese of Osório
- Diocese of Otukpo (catholic)
- Diocese of Ouahigouya
- Diocese of Oudtshoorn
- Diocese of Ouesso
- Diocese of Ourinhos
- Diocese of Owensboro
- Diocese of Oyem
- Diocese of Oyo
- Diocese of Ozieri
- Diocese of Padang
- Diocese of Padova
- Diocese of Pagadian
- Diocese of Paisley
- Diocese of Pala
- Diocese of Palangkaraya
- Diocese of Palayamkottai
- Diocese of Palencia
- Diocese of Palestrina
- Diocese of Palm Beach
- Diocese of Palmares
- Diocese of Palmas
- Diocese of Palmas-Francisco Beltrão
- Diocese of Palmeira dos Índios
- Diocese of Palmerston North
- Diocese of Palmira
- Diocese of Pamiers
- Diocese of Pamplona
- Diocese of Panevėžys
- Diocese of Pangkalpinang
- Diocese of Pankshin (catholic)
- Diocese of Papantla
- Diocese of Paphos
- Diocese of Paracatu
- Diocese of Paramaribo
- Diocese of Paranaguá
- Diocese of Paranavaí
- Diocese of Parañaque
- Diocese of Parintins
- Diocese of Parma
- Diocese of Parnaíba
- Diocese of Parral
- Diocese of Parramatta
- Diocese of Pasig
- Diocese of Passau
- Diocese of Pasto
- Diocese of Paterson
- Diocese of Pathein
- Diocese of Patos
- Diocese of Patos de Minas
- Diocese of Patti
- Diocese of Paulo Afonso
- Diocese of Pavia
- Diocese of Pedena
- Diocese of Pekhon
- Diocese of Pelpin
- Diocese of Pelplin
- Diocese of Pemba
- Diocese of Pembroke
- Diocese of Penang
- Diocese of Penedo
- Diocese of Penonomé
- Diocese of Pensacola-Tallahassee
- Diocese of Peoria
- Diocese of Pereira
- Diocese of Perpignan-Elne
- Diocese of Pescia
- Diocese of Pesqueira
- Diocese of Peterborough (Canada)
- Diocese of Petrolina
- Diocese of Petrópolis
- Diocese of Phan Thiết
- Diocese of Phoenix
- Diocese of Phát Diêm
- Diocese of Phú Cường
- Diocese of Piacenza-Bobbio
- Diocese of Piazza Armerina
- Diocese of Picos
- Diocese of Piedras Negras
- Diocese of Pienza
- Diocese of Pienza e Montalcino
- Diocese of Pinar del Río
- Diocese of Pinerolo
- Diocese of Pinheiro
- Diocese of Pinsk
- Diocese of Piracicaba
- Diocese of Pistoia
- Diocese of Pitigliano-Sovana-Orbetello
- Diocese of Pittsburgh
- Diocese of Plasencia
- Diocese of Plymouth
- Diocese of Plzeň
- Diocese of Policastro
- Diocese of Polignano
- Diocese of Polokwane
- Diocese of Pomesania
- Diocese of Ponce
- Diocese of Ponta de Pedras
- Diocese of Ponta Grossa
- Diocese of Pontremoli
- Diocese of Poona
- Diocese of Popokabaka
- Diocese of Poreč
- Diocese of Poreč-Pula
- Diocese of Port Blair
- Diocese of Port Elizabeth (catholic)
- Diocese of Port Harcourt
- Diocese of Port Pirie
- Diocese of Port Victoria
- Diocese of Port-Bergé
- Diocese of Port-de-Paix
- Diocese of Port-Gentil
- Diocese of Port-Louis
- Diocese of Port-Vila
- Diocese of Portalegre-Castelo Branco
- Diocese of Portland
- Diocese of Porto
- Diocese of Porto Amélia
- Diocese of Porto e Santa Rufina
- Diocese of Porto Nacional
- Diocese of Porto Novo
- Diocese of Porto-Santa Rufina
- Diocese of Portsmouth (catholic)
- Diocese of Posadas
- Diocese of Potosí
- Diocese of Pozzuoli
- Diocese of Požega
- Diocese of Prato
- Diocese of Presidencia Roque Sáenz Peña
- Diocese of Presidente Prudente
- Diocese of Prince Albert
- Diocese of Prince George
- Diocese of Prizren-Prishtina
- Diocese of Prizren-Priština
- Diocese of Propriá
- Diocese of Providence
- Diocese of Pueblo
- Diocese of Puerto Cabello
- Diocese of Puerto Escondido
- Diocese of Puerto Iguazú
- Diocese of Puerto Plata
- Diocese of Punalur
- Diocese of Puno
- Diocese of Punta Arenas
- Diocese of Puntarenas
- Diocese of Punto Fijo
- Diocese of Purnea
- Diocese of Purwokerto
- Diocese of Pusan
- Diocese of Pyay
- Diocese of Pyongyang
- Diocese of Pécs
- Diocese of Périgueux
- Diocese of Płock
- Diocese of Qacha’s Nek
- Diocese of Queenstown
- Diocese of Quelimane
- Diocese of Querétaro
- Diocese of Quibdó
- Diocese of Quiché
- Diocese of Quilmes
- Diocese of Quilon
- Diocese of Quimper
- Diocese of Quincy
- Diocese of Quixadá
- Diocese of Quy Nhơn
- Diocese of Radom
- Diocese of Rafaela
- Diocese of Ragusa
- Diocese of Raiganj
- Diocese of Raigarh
- Diocese of Rajkot
- Diocese of Rajshahi
- Diocese of Raleigh
- Diocese of Rancagua
- Diocese of Raphoe
- Diocese of Rapid City
- Diocese of Rapolla
- Diocese of Rarotonga
- Diocese of Ratchaburi
- Diocese of Ratnapura
- Diocese of Ratzeburg
- Diocese of Ravello
- Diocese of Ravello e Scala
- Diocese of Rayagada
- Diocese of Recanati
- Diocese of Reconquista
- Diocese of Regensburg
- Diocese of Reggio Emilia
- Diocese of Reggio Emilia-Guastalla
- Diocese of Registro
- Diocese of Reno
- Diocese of Reno-Las Vegas
- Diocese of Rethymo
- Diocese of Reval
- Diocese of Reykjavík
- Diocese of Rēzekne-Aglona
- Diocese of Richmond
- Diocese of Rieti
- Diocese of Rieux
- Diocese of Riez
- Diocese of Rimini
- Diocese of Rio Branco
- Diocese of Rio do Sul
- Diocese of Rio Grande
- Diocese of Rio Negro
- Diocese of Riobamba
- Diocese of Riohacha
- Diocese of Rochester (USA)
- Diocese of Rockford
- Diocese of Rockhampton (Roman Catholic)
- Diocese of Rockville Centre
- Diocese of Rodez
- Diocese of Roermond
- Diocese of Roma
- Diocese of Romblon
- Diocese of Rondonópolis
- Diocese of Rondonópolis-Guiratinga
- Diocese of Roraima
- Diocese of Roseau
- Diocese of Rottenburg-Stuttgart
- Diocese of Rotterdam
- Diocese of Rourkela
- Diocese of Rouyn-Noranda
- Diocese of Rožňava
- Diocese of Rrëshen
- Diocese of Rubiataba-Mozarlândia
- Diocese of Ruhengeri
- Diocese of Rulenge
- Diocese of Rulenge-Ngara
- Diocese of Rumbek
- Diocese of Rustenburg
- Diocese of Rutabo
- Diocese of Rutana
- Diocese of Ruteng
- Diocese of Ruvo
- Diocese of Ruy Barbosa
- Diocese of Ruyigi
- Diocese of Rzeszów
- Diocese of Río Cuarto
- Diocese of Río Gallegos
- Diocese of Sabina
- Diocese of Sabina-Poggio Mirteto
- Diocese of Sacramento
- Diocese of Saginaw
- Diocese of Sagone
- Diocese of Saint Albert
- Diocese of Saint Augustine
- Diocese of Saint Catharines
- Diocese of Saint Clemens in Saratov
- Diocese of Saint Cloud
- Diocese of Saint George's
- Diocese of Saint George's in Grenada
- Diocese of Saint John
- Diocese of Saint John in New Brunswick
- Diocese of Saint John's-Basseterre
- Diocese of Saint Joseph
- Diocese of Saint Joseph in Irkutsk
- Diocese of Saint Paul in Alberta
- Diocese of Saint Petersburg
- Diocese of Saint Thomas (US Virgin Islands)
- Diocese of Saint-Brieuc
- Diocese of Saint-Claude
- Diocese of Saint-Denis
- Diocese of Saint-Denis-de-La Réunion
- Diocese of Saint-Dié
- Diocese of Saint-Flour
- Diocese of Saint-Hyacinthe
- Diocese of Saint-Jean-de-Maurienne
- Diocese of Saint-Jean-de-Québec
- Diocese of Saint-Jean-Longueuil
- Diocese of Saint-Jérôme
- Diocese of Saint-Jérôme - Mont-Laurier
- Diocese of Saint-Louis du Sénégal
- Diocese of Saint-Malo
- Diocese of Saint-Omer
- Diocese of Saint-Papoul
- Diocese of Saint-Paul-Trois-Châteaux
- Diocese of Saint-Pol-de-Léon
- Diocese of Saint-Pons-de-Thomières
- Diocese of Saint-Étienne
- Diocese of Sainte-Anne-de-la-Pocatière
- Diocese of Saintes
- Diocese of Saitama
- Diocese of Sakania-Kipushi
- Diocese of Salamanca
- Diocese of Sale
- Diocese of Salem
- Diocese of Salford
- Diocese of Salgueiro
- Diocese of Salina
- Diocese of Salisbury
- Diocese of Salt Lake City
- Diocese of Saltillo
- Diocese of Salto
- Diocese of Saluzzo
- Diocese of Sambalpur (Catholic)
- Diocese of Same
- Diocese of Samoa-Pago Pago
- Diocese of San
- Diocese of San Andrés Tuxtla
- Diocese of San Angelo
- Diocese of San Benedetto del Tronto-Ripatransone-Montalto
- Diocese of San Bernardino
- Diocese of San Bernardo
- Diocese of San Carlos
- Diocese of San Carlos de Ancud
- Diocese of San Carlos de Bariloche
- Diocese of San Carlos de Venezuela
- Diocese of San Cristóbal de La Laguna
- Diocese of San Cristóbal de Las Casas
- Diocese of San Cristóbal de Venezuela
- Diocese of San Diego
- Diocese of San Felipe (Chile)
- Diocese of San Felipe (Venezuela)
- Diocese of San Fernando de Apure
- Diocese of San Fernando de La Union
- Diocese of San Francisco
- Diocese of San Francisco de Asís de Jutiapa
- Diocese of San Francisco de Macorís
- Diocese of San Ignacio de Velasco
- Diocese of San Isidro
- Diocese of San Isidro de El General
- Diocese of San Jacinto de Yaguachi
- Diocese of San Jose de Antique
- Diocese of San Jose in California
- Diocese of San Jose in Nueva Ecija
- Diocese of San José de Mayo
- Diocese of San José del Guaviare
- Diocese of San Juan Bautista de Calama
- Diocese of San Juan Bautista de las Misiones
- Diocese of San Juan de la Maguana
- Diocese of San Juan de los Lagos
- Diocese of San Justo
- Diocese of San Lorenzo
- Diocese of San Luis
- Diocese of San Marco (Argentano)
- Diocese of San Marco Argentano-Scalea
- Diocese of San Marco e Bisignano
- Diocese of San Marcos
- Diocese of San Marino-Montefeltro
- Diocese of San Martín
- Diocese of San Miguel
- Diocese of San Miguel (Argentina)
- Diocese of San Miniato
- Diocese of San Nicolás de los Arroyos
- Diocese of San Pablo
- Diocese of San Pedro
- Diocese of San Pedro de Macorís
- Diocese of San Pedro-en-Côte d'Ivoire
- Diocese of San Rafael
- Diocese of San Roque de Presidencia Roque Sáenz Peña
- Diocese of San Sebastián
- Diocese of San Severino
- Diocese of San Severo
- Diocese of San Vicente
- Diocese of Sandakan
- Diocese of Sandhurst
- Diocese of Sandomierz
- Diocese of Sandwich
- Diocese of Sanggau
- Diocese of Sangmélima
- Diocese of Sankt Gallen
- Diocese of Sankt Pölten
- Diocese of Sansepolcro
- Diocese of Sant Feliu de Llobregat
- Diocese of Santa Ana
- Diocese of Santa Clara
- Diocese of Santa Cruz de Quiché
- Diocese of Santa Cruz do Sul
- Diocese of Santa Marta
- Diocese of Santa María de Los Ángeles
- Diocese of Santa Rosa de Copán
- Diocese of Santa Rosa de Lima
- Diocese of Santa Rosa de Osos
- Diocese of Santa Rosa in Argentina
- Diocese of Santa Rosa in California
- Diocese of Santafé en Nueva Granada
- Diocese of Santander
- Diocese of Santarém, Portugal
- Diocese of Santiago de Cabo Verde
- Diocese of Santiago de Veraguas
- Diocese of Santiago del Estero
- Diocese of Santo Amaro
- Diocese of Santo André
- Diocese of Santo Domingo de los Colorados
- Diocese of Santo Domingo en Ecuador
- Diocese of Santo Tomé
- Diocese of Santo Ângelo
- Diocese of Santorini
- Diocese of Santos
- Diocese of Santísimo Salvador de Bayamo y Manzanillo
- Diocese of Santíssima Conceição do Araguaia
- Diocese of Sant’Agata de’ Goti
- Diocese of São Carlos
- Diocese of São Gabriel da Cachoeira
- Diocese of São João del Rei
- Diocese of São José do Rio Preto
- Diocese of São José dos Campos
- Diocese of São João da Boa Vista
- Diocese of São Luís de Montes Belos
- Diocese of São Luís de Cáceres
- Diocese of São Mateus
- Diocese of São Miguel Paulista
- Diocese of São Raimundo Nonato
- Diocese of São Tomé and Príncipe
- Diocese of Sapporo
- Diocese of Sapë
- Diocese of Sarh
- Diocese of Sarlat
- Diocese of Sarno
- Diocese of Sarsina
- Diocese of Saskatoon
- Diocese of Satu Mare
- Diocese of Sault Sainte Marie
- Diocese of Saulte Sainte Marie-Marquette
- Diocese of Savannah
- Diocese of Savona-Noli
- Diocese of Scala
- Diocese of Schleswig
- Diocese of Schwerin
- Diocese of Scranton
- Diocese of Segorbe-Albarracín
- Diocese of Segorbe-Castellón de la Plana
- Diocese of Ségou
- Diocese of Segovia
- Diocese of Sekondi-Takoradi
- Diocese of Sendai
- Diocese of Senez
- Diocese of Senigallia
- Diocese of Senlis
- Diocese of Serrinha
- Diocese of Sessa Aurunca
- Diocese of Sete Lagoas
- Diocese of Setúbal
- Diocese of Shanghai
- Diocese of Shendam
- Diocese of Shimoga
- Diocese of Shinyanga
- Diocese of Shreveport
- Diocese of Shrewsbury
- Diocese of Šiauliai
- Diocese of Šibenik
- Diocese of Sibolga
- Diocese of Sibu
- Diocese of Sicuani
- Diocese of Siedlce
- Diocese of Sigüenza-Guadalajara
- Diocese of Sikasso
- Diocese of Silchar
- Diocese of Simdega
- Diocese of Simla and Chandigarh
- Diocese of Sinaloa
- Diocese of Sincelejo
- Diocese of Sindhudurg
- Diocese of Singida
- Diocese of Sinop
- Diocese of Sintang
- Diocese of Sion
- Diocese of Sioux City
- Diocese of Sioux Falls
- Diocese of Siping
- Diocese of Sisak
- Diocese of Sisteron
- Diocese of Siuna
- Diocese of Sivagangai
- Diocese of Skopje
- Diocese of Soacha
- Diocese of Sobral
- Diocese of Socorro y San Gil
- Diocese of Sofia and Plovdiv
- Diocese of Soissons
- Diocese of Soissons, Laon and Saint-Quentin
- Diocese of Sokodé
- Diocese of Sokoto
- Diocese of Sololá-Chimaltenango
- Diocese of Solsona
- Diocese of Solwezi
- Diocese of Sonsón-Rionegro
- Diocese of Sora
- Diocese of Sora-Aquino-Pontecorvo
- Diocese of Sora-Cassino-Aquino-Pontecorvo
- Diocese of Soroti
- Diocese of Sorsogon
- Diocese of Sosnowiec
- Diocese of Sovana
- Diocese of Sovana–Pitigliano
- Diocese of Sovana–Pitigliano–Orbetello
- Diocese of Speyer
- Diocese of Spiš
- Diocese of Spokane
- Diocese of Springfield in Illinois
- Diocese of Springfield in Massachusetts
- Diocese of Springfield-Cape Girardeau
- Diocese of Squillace
- Diocese of Srijem
- Diocese of Srikakulam
- Diocese of St. Asaph
- Diocese of St. Davids
- Diocese of St. Johns-Bassetere
- Diocese of Steubenville
- Diocese of Stockholm (Catholic)
- Diocese of Stockton
- Diocese of Strongoli
- Diocese of Subotica
- Diocese of Suchitepéquez-Retalhuleu
- Diocese of Sukarnapura
- Diocese of Sulmona-Valva
- Diocese of Sultanpet
- Diocese of Sumbawanga
- Diocese of Sumbe
- Diocese of Sunyani
- Diocese of Superior
- Diocese of Surabaya
- Diocese of Surat Thani
- Diocese of Surigao
- Diocese of Susa
- Diocese of Suwon
- Diocese of Świdnica
- Diocese of Sylhet
- Diocese of Syracuse
- Diocese of Syros-Milos
- Diocese of Szeged-Csanád
- Diocese of Székesfehérvár
- Diocese of Szombathely
- Diocese of São José do Grajaú
- Diocese of São José dos Pinhais
- Diocese of São Tomé of Meliapore
- Diocese of Sées
- Diocese of Tabasco
- Diocese of Tacna y Moquegua
- Diocese of Tacuarembó
- Diocese of Tacámbaro
- Diocese of Tagbilaran
- Diocese of Tagum
- Diocese of Taichung
- Diocese of Tainan
- Diocese of Taiohae o Tefenuaenata
- Diocese of Takamatsu
- Diocese of Talca
- Diocese of Talibon
- Diocese of Tamale
- Diocese of Tambacounda
- Diocese of Tampico
- Diocese of Tandag
- Diocese of Tanga
- Diocese of Tanger
- Diocese of Tanjore
- Diocese of Tanjung Selor
- Diocese of Tanjungkarang
- Diocese of Tapachula
- Diocese of Tarahumara
- Diocese of Tarawa and Nauru
- Diocese of Tarazona
- Diocese of Tarbes-et-Lourdes
- Diocese of Tarija
- Diocese of Tarlac
- Diocese of Tarma
- Diocese of Tarnów
- Diocese of Taubaté
- Diocese of Taungngu
- Diocese of Teano
- Diocese of Teano-Calvi
- Diocese of Techiman
- Diocese of Teggiano-Policastro
- Diocese of Tehuacán
- Diocese of Tehuantepec
- Diocese of Teixeira de Freitas-Caravelas
- Diocese of Telese o Cerreto Sannita
- Diocese of Telšiai
- Diocese of Tempio-Ampurias
- Diocese of Temuco
- Diocese of Tenancingo
- Diocese of Tenkodogo
- Diocese of Teotihuacan
- Diocese of Tepic
- Diocese of Teramo
- Diocese of Teramo-Atri
- Diocese of Terlizzi
- Diocese of Termoli-Larino
- Diocese of Terni
- Diocese of Terni e Narni
- Diocese of Terni-Narni-Amelia
- Diocese of Terrassa
- Diocese of Teruel y Albarracín
- Diocese of Tete
- Diocese of Texcoco
- Diocese of Tezpur
- Diocese of Teófilo Otoni
- Diocese of Thanh Hóa
- Diocese of The Holy Trinity in Almaty
- Diocese of Thiès
- Diocese of Thuckalay
- Diocese of Thunder Bay
- Diocese of Thái Bình
- Diocese of Tianguá
- Diocese of Tibú
- Diocese of Tilarán-Liberia
- Diocese of Timika
- Diocese of Timişoara
- Diocese of Timmins
- Diocese of Tiruchirapalli
- Diocese of Tivoli
- Diocese of Tlapa
- Diocese of Tlaxcala
- Diocese of Tocantinópolis
- Diocese of Todi
- Diocese of Tôlagnaro
- Diocese of Toledo (Brazil)
- Diocese of Toledo (USA)
- Diocese of Toluca
- Diocese of Tombura-Yambio
- Diocese of Tonga
- Diocese of Toowoomba
- Diocese of Torit
- Diocese of Torreón
- Diocese of Tortona
- Diocese of Tortosa
- Diocese of Toruń
- Diocese of Toul
- Diocese of Toulon
- Diocese of Toungoo
- Diocese of Tournai
- Diocese of Townsville
- Diocese of Transfiguration at Novosibirsk
- Diocese of Trapani
- Diocese of Trenton
- Diocese of Três Lagoas
- Diocese of Treviso
- Diocese of Tricarico
- Diocese of Trichinopoly
- Diocese of Trier
- Diocese of Trieste
- Diocese of Trincomalee
- Diocese of Trivento
- Diocese of Trogir
- Diocese of Troia
- Diocese of Trois-Rivières
- Diocese of Tropea
- Diocese of Troyes
- Diocese of Trujillo (Honduras)
- Diocese of Trujillo (Venezuela)
- Diocese of Tréguier
- Diocese of Tshumbe
- Diocese of Tsiroanomandidy
- Diocese of Tubarão
- Diocese of Tucson
- Diocese of Tui-Vigo
- Diocese of Tula
- Diocese of Tulcán
- Diocese of Tulle
- Diocese of Tulsa
- Diocese of Tumaco
- Diocese of Tunduru-Masasi
- Diocese of Tura
- Diocese of Tursi-Lagonegro
- Diocese of Tuticorin
- Diocese of Tuxpan
- Diocese of Tuxtepec
- Diocese of Tyler
- Diocese of Tzaneen
- Diocese of Uberlândia
- Diocese of Ubon Ratchathani
- Diocese of Udaipur
- Diocese of Udon Thani
- Diocese of Udupi
- Diocese of Ugento-Santa Maria di Leuca
- Diocese of Carmona e São Salvador
- Diocese of Uíje
- Diocese of Uijeongbu
- Diocese of Ujjain
- Diocese of Umtata
- Diocese of Umuahia
- Diocese of Umuarama
- Diocese of Umzimkulu
- Diocese of União da Vitória
- Diocese of Urbania e Sant’Angelo in Vado
- Diocese of Urdaneta
- Diocese of Urgell
- Diocese of Uromi
- Diocese of Uruaçu
- Diocese of Uruguaiana
- Diocese of Uvira
- Diocese of Uyo
- Diocese of Uzès
- Diocese of Vabres
- Diocese of Debrecen-Nyíregyháza
- Diocese of Vacaria
- Diocese of Vaison
- Diocese of Valdivia
- Diocese of Valence
- Diocese of Valença
- Diocese of Valle de Chalco
- Diocese of Valle de la Pascua
- Diocese of Valledupar
- Diocese of Valleyfield
- Diocese of Vallo della Lucania
- Diocese of Valparaíso
- Diocese of Vancouver Island
- Diocese of Vanimo
- Diocese of Vannes
- Diocese of Varanasi
- Diocese of Varaždin
- Diocese of Vasai
- Diocese of Vélez
- Diocese of Velletri
- Diocese of Velletri-Segni
- Diocese of Vellore
- Diocese of Venado Tuerto
- Diocese of Venafro
- Diocese of Vence
- Diocese of Venice
- Diocese of Venosa
- Diocese of Ventimiglia-San Remo
- Diocese of Veracruz
- Diocese of Verapaz, Cobán
- Diocese of Verden
- Diocese of Verdun
- Diocese of Veroli-Frosinone
- Diocese of Verona
- Diocese of Versailles
- Diocese of Viana
- Diocese of Viana (Angola)
- Diocese of Viana (Brazil)
- Diocese of Viana do Castelo
- Diocese of Vic
- Diocese of Vicenza
- Diocese of Vico Equense
- Diocese of Victoria in Canada
- Diocese of Victoria in Texas
- Diocese of Viedma
- Diocese of Vieste
- Diocese of Vigevano
- Diocese of Vijayapuram
- Diocese of Vijayawada
- Diocese of Vila Cabral
- Diocese of Vila Real
- Diocese of Vilkaviškis
- Diocese of Villa de la Concepción del Río Cuarto
- Diocese of Villa María
- Diocese of Villarrica
- Diocese of Villarrica del Espíritu Santo
- Diocese of Vincennes
- Diocese of Vinh
- Diocese of Vĩnh Long
- Diocese of Virac
- Diocese of Viseu
- Diocese of Vitebsk
- Diocese of Viterbo
- Diocese of Vitoria
- Diocese of Vittorio Veneto
- Diocese of Viviers
- Diocese of Volterra
- Diocese of Votuporanga
- Diocese of Vulturara e Montecorvino
- Diocese of Vác
- Diocese of Wa
- Diocese of Wabag
- Diocese of Wagga Wagga
- Diocese of Walla Walla
- Diocese of Wallis et Futuna
- Diocese of Wamba
- Diocese of Warangal
- Diocese of Warri (catholic)
- Diocese of Warszawa-Praga
- Diocese of Waterford
- Diocese of Waterford and Lismore
- Diocese of Wau
- Diocese of Weetebula
- Diocese of Westminster
- Diocese of Wewak
- Diocese of Wheeling-Charleston
- Diocese of Whitehorse
- Diocese of Wiawso
- Diocese of Wichita
- Diocese of Wiener Neustadt
- Diocese of Wilcannia-Forbes
- Diocese of Willemstad
- Diocese of Wilmington
- Diocese of Winona
- Diocese of Winona-Rochester
- Diocese of Witbank
- Diocese of Włocławek
- Diocese of Wollongong
- Diocese of Wonju
- Diocese of Worcester (USA)
- Diocese of Worms
- Diocese of Wrexham
- Diocese of Wuchang
- Diocese of Würzburg
- Diocese of Xai-Xai
- Diocese of Xianxian
- Diocese of Xingu-Altamira
- Diocese of Xiwanzi
- Diocese of Xuzhou
- Diocese of Xuân Lôc
- Diocese of Yagoua
- Diocese of Yakima
- Diocese of Yamoussoukro
- Diocese of Yantai
- Diocese of Yarmouth
- Diocese of Yei
- Diocese of Yendi
- Diocese of Yibin
- Diocese of Yokadouma
- Diocese of Yokohama
- Diocese of Yola
- Diocese of Yongping
- Diocese of Yopal
- Diocese of Yopougon
- Diocese of Yoro
- Diocese of Youngstown
- Diocese of Yuanling
- Diocese of Yujiang
- Diocese of Zacapa y Santo Cristo de Esquipulas
- Diocese of Zacatecas
- Diocese of Zacatecoluca
- Diocese of Zamora in Mexico
- Diocese of Zamora in Spain
- Diocese of Zamość-Lubaczów
- Diocese of Zanzibar (catholic)
- Diocese of Zárate-Campana
- Diocese of Zaria (catholic)
- Diocese of Zé Doca
- Diocese of Zhengding
- Diocese of Zielona Góra-Gorzów
- Diocese of Ziguinchor
- Diocese of Žilina
- Diocese of Zipaquirá
- Diocese of Zomba
- Diocese of Zrenjanin
- Diocese of Ávila
- Diocese of Évreux
- Diocese of Ösel
- Diocese of Đà Lạt
- Diocese of Đà Nẵng
- Diocese of Łomża
- Diocese of Łowicz
E
- Eparchy of Barentu
- Eparchy of Keren
- Eparchy of Lungro degli Italo-Albanesi (Italo-Albanese)
- Eparchy of Melbourne (Syro-Malabar Rite)
- Eparchy of Newton (Our Lady of the Annunciation of Boston)(Melkite Greek Rite)
- Eparchy of Piana degli Albanesi (Italo-Albanese)
- Eparchy of Saint Thomas the Apostle of Chicago (Syro-Malabar Rite)
- Eparchy of Segheneyti
- Eparchy of Sfântul Vasile cel Mare de Bucureşti
- Eparchy of Wrocław-Gdańsk (Ukrainian Rite)
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Media in category "Roman Catholic dioceses"
The following 2 files are in this category, out of 2 total.
- Diomachala.jpg 132 × 245; 14 KB
- Diomarbel1.png 412 × 599; 93 KB