Hans Langer
Hans Langer is the name of the following people:
- Hans Langer (physician, 1887) (1887–1969), German pediatrician and bacteriologist
- Hans Langer (physician, 1907) (1907–1974), Austrian dentist and university professor
- Hans Langer (poet) (1912–1988), German poet
- Hans Langer (ecologist) (1933–2019), German ecologist, university professor and government official
- Hans J. Langer (* 1952), German physicist and entrepreneur