Viljanen
Viljanen is a Finnish surname. Notable people with the surname include:
- Eerikki Viljanen, Finnish politician
- Elias Viljanen, Finnish musician
- Emil Viljanen, Finnish civil servant and politician
- Heidi Viljanen, Finnish politician
- Ilkka Viljanen, Finnish politician
- Jalmari Viljanen, Finnish farmer and politician
- Kim Viljanen, Finnish darts player
- Lauri Viljanen, Finnish literary critic and writer
- Matti Viljanen, Finnish engineer and politician
- Pekka Viljanen , Finnish racewalker
- Pekka Viljanen , Finnish farmer and politician
- Petri Viljanen, Finnish footballer
- Valtteri Viljanen, Finnish ice hockey player
- Ville Viljanen, Finnish footballer
- V.M.J. Viljanen, Finnish engineer, business executive and politician
