Diepgen
Diepgen is the family name of the following people:
- Eberhard Diepgen (* 1941), German politician (CDU); from 1984 to 1989 and from 1991 to 2001 mayor of Berlin
- Martin Diepgen (* 1956), German local politician (CDU), first mayor of Heilbronn since 2013
- Paul Diepgen (1878–1966), German gynecologist and medical historian