Fassina is an Italian surname. Notable people with this surname include:
Antonio Fassina (born 1945), Italian rally driver (born 1991), Italian curler Jean Fassina (born 1936), French classical pianist Kaity Fassina (born 1990), Australian weightlifter (born 1999), Italian basketball player Neil Fassina, Canadian academic (1952–2023), Italian curler and rally driver Stefano Fassina (born 1966), Italian politician