Johann Niemann | |
|---|---|
 Niemann c. 1941 | |
| Born | 4 August 1913 Völlen, Westoverledingen, German Empire |
| Died | 14 October 1943 (aged 30) Sobibor extermination camp, Lublin Voivodeship, German-occupied Poland |
| Allegiance |  Nazi Germany |
| Service |  Schutzstaffel |
| Years of service | 1934–1943 |
| Rank | SS-Untersturmführer |
| Unit | SS-Totenkopfverbände |
| Commands | Sobibor extermination camp |
Johann Niemann (4 August 1913 – 14 October 1943) was a German SS officer and Holocaust perpetrator who was deputy commandant of Sobibor extermination camp during Operation Reinhard. He also served as a Leichenverbrenner (corpse cremator) at Grafeneck, Brandenburg, and Bernburg during the Aktion T4, the SS "euthanasia" program. Niemann was killed during the Sobibor prisoner uprising in 1943.