Dahn is a municipality in the Südwestpfalz District (South-West Palatinate), in Rhineland-Palatinate, Germany.
Dahn may also refer to: Dahn (surname) Dahn Ben-Amotz (1924–1989), Israeli radio broadcaster Dahn yoga Castles of Dahn, Germany Erlenbach bei Dahn, Germany Fischbach bei Dahn, Germany House of Dahn, noble house in Germany