Treumann
Treumann is the family name of the following people:
- Gustav Emil Rudolf Treumann (1835–1910), royal Prussian major general
- Josef Treumann (1846 – around 1904), American journalist and writer of German origin
- Julian Treumann (1841–1910), German chemist and university professor
- Karl Treumann (1823–1877), Austrian actor, theater director and writer
- Louis Treumann (1872–1943), Austrian singer and actor
- Otto Heinrich Treumann (1919–2001), German-Dutch graphic artist
- Wanda Treumann (1889 - probably in the 1940s), German actress and film producer