Ryhänen
Ryhänen is the family name of the following people:
- Jaakko Ryhänen (* 1946), Finnish opera singer
- Matti Ryhänen (1939–2018), Finnish politician
- Reino Ryhänen (1922–1999), Finnish limnologist
- Sami Ryhänen (* 1980), Finnish ice hockey player
- Sirpa Ryhänen (* 1966), Finnish cross-country skier