Ippen
Ippen is the name or family name of the following people:
- Arthur T. Ippen (1907–1974), American engineer
- Ippen (Buddhist) (1239–1289), Japanese Amida monk and founder of the Ji-shū Buddhist school
- Dirk Ippen (* 1940), German newspaper publisher
- Erich P. Ippen (* 1940), American physicist
- Hellmut Ippen (1925–1998), German dermatologist
- Hermann Otto Ippen (1873–1956), German shipowner
- Rolf Ippen (1899–1968), German newspaper publisher
- Rudolf Ippen (1927–2009), German veterinarian
- Theodor Ippen (1861–1935), Austrian diplomat and albanologist