Koppen
Koppen is a surname. Notable people with the surname include:
- Dan Koppen (born 1979), American football offensive lineman
- Erwin Koppen (1929–1990), German literary scholar
- Luise Koppen (1855–1922), German author
See also
- Koeppen, surname
- Köppen, surname
- Lene Køppen (born 1953), Danish badminton player