What is "vanninen"

Vanninen or Vänninen is a Finnish surname. Notable people with the surname include:

• Benjamin Vanninen (1921–1975), Finnish cross-country skier
• Henna Vänninen (born 1983), Finnish actress
• Jukka Vanninen (born 1977), Finnish footballer
• Pekka Vanninen (1911–1970), Finnish cross-country skier