Ernst Hahn
Ernst Hahn is the name of the following people:
- Ernst Hahn (psychiatrist) († 1923), German psychiatrist
- Ernst Hahn (politician) (1874–1950), Austrian politician (CSP)
- Ernst Hahn (sculptor) , German sculptor
- Ernst Hahn (photographer) (* 1926/1927), German photographer
- Ernst Joachim Hahn (1912–1945), German pastor
- Ernst Louis Hahn († 1896), German politician
