Viljanen

Viljanen is a Finnish surname. Notable people with the surname include:


 * Eerikki Viljanen (born 1975), Finnish politician
 * Elias Viljanen (born 1975), Finnish musician
 * Emil Viljanen (1874–1954), Finnish civil servant and politician
 * Heidi Viljanen (born 1980), Finnish politician
 * Ilkka Viljanen (born 1960), Finnish politician
 * Jalmari Viljanen (1872–1928), Finnish farmer and politician
 * Kim Viljanen (born 1981), Finnish darts player
 * Lauri Viljanen (1900–1994), Finnish literary critic and writer
 * Matti Viljanen (1937–2015), Finnish engineer and politician
 * Pekka Viljanen (athlete) (1921–1995), Finnish racewalker
 * Pekka Viljanen (politician) (born 1945), Finnish farmer and politician
 * Petri Viljanen (born 1987), Finnish footballer
 * Valtteri Viljanen (born 1994), Finnish ice hockey player
 * Ville Viljanen (born 1971), Finnish footballer
 * V.M.J. Viljanen (1874–1946), Finnish engineer, business executive and politician