Peter Hagen
Peter Hagen is the name of the following people:
- Peter von Hagen (1569–1620), German hymn writer, teacher and poet
- Peter Hagen , pseudonym of Willi Krause (writer) (1907–1945?), German journalist, screenwriter and director
- Peter Hagen (director) (* 1929), German television director
- Peter Hagen (cook) (* 1977), German cook
- Peter Schultz-Hagen (* 1953), German object and installation artist