Ernst Jahn
Ernst Jahn is the name of the following people:
- Ernst Jahn (politician, 1828) (1828–1921), German landowner and politician (Conservative State Association)
- Ernst Jahn (politician, 1877) (1877–1955), German lawyer and politician (Nationalliberale, DDP)
- Ernst Jahn (pastor) (1893–1969), German Protestant pastor, theologian and religious educator
- Ernst-Henning Jahn (* 1938), German politician (CDU)
- Ernst Reinhold Jahn (pseudonym Ernst Reinhold ; 1853 – after 1908), German doctor and writer
