Karl Marx City
- Tahun: 2017
- Negara: Germany, United States of America
- Genre: Documentary
- Studio:
- Kata kunci: stasi, surveillance, east germany
- Pengarah: Michael Tucker, Petra Epperlein
- Pelakon: Petra Epperlein, Christa Epperlein, Uwe Epperlein, Volker Epperlein, Udo Grashoff, Hubertus Knabe