Koeppen
Koeppen is a German surname. Notable people with the surname include:
- Adolf Otto Koeppen, German painter
- Andreas Koeppen, German politician
- Hans Koeppen, German soldier and race driver
- Jens Koeppen, German politician
- Martina Koeppen, German politician
- Werner Koeppen, German Nazi, assistant to Alfred Rosenberg
- Wolfgang Koeppen, German author