Helmut Bischoff (March 1, 1908 – January 5, 1993) was a German SS-Obersturmbannführer and Nazi official. During World War II he was the leader of Einsatzkommando 1/IV in Poland and later served as chief of the Sicherheitsdienst (SD) and the Sicherheitspolizei (SiPo) in Poznań (Posen) and Magdeburg. In 1943 Bischoff was appointed head of security for Germany's V-weapons program and would serve as director of the SD at the Mittelbau-Dora concentration camp in 1945. Between 1967 and 1970 Bischoff was a defendant in the Essen-Dora war crimes trial.