Martin Niemoeller
German theologian
- Born: 1892-01-14 (Lippstadt)
- Died: 1984-03-06 (Wiesbaden)
- Country of citizenship: German Empire; Germany; Nazi Germany; West Germany
- Occupation: peace activist; poet; resistance fighter; submariner; theologian
- Place of detention: Dachau concentration camp; Moabit Prison; Sachsenhausen concentration camp
- Spouse: Else Bruner
- VIAF ID: https://viaf.org/viaf/94035448
- ISNI: https://isni.org/isni/0000000114778073
- WorldCat Identities ID: https://worldcat.org/identities/lccn-n50003848
- Library of Congress authority ID: https://id.loc.gov/authorities/names/n50003848