or Virolaynen is a Finnish surname meaning "an Estonian". Notable people with the surname include:
Anne-Mari Virolainen (born 1965), Finnish politician Daria Virolaynen (born 1989), Russian biathlete Johannes Virolainen (1914–2000), Finnish politician Roman Virolainen, Belarusian cross-country skier Aleksi "Aleksib" Virolainen, Finnish professional Counter-Strike player