Hartjenstein
Hartjenstein is the family name of the following people:
- Friedrich Hartjenstein (architect) (1881 – after 1941), German architect
- Friedrich Hartjenstein (1905–1954), German SS-Obersturmbannführer and camp commandant of the Auschwitz-Birkenau and Natzweiler-Struthof concentration camps
- Lothar Hartjenstein (1908–1994), German architect