Altena
Altena can refer to:
Altena (Märkischer Kreis)
a municipality in the Märkischer Kreis district, Germany
Altena (kreis)
a former district in Germany
Altena (Noord-Brabant)
a municipality in the Noord-Brabant province, the Netherlands
Oudland van Altena
a former waterbaord in the Noord-Brabant province, the Netherlands
