Boselli is an Italian surname. Variations include Bosio and Bossi, the former being among the original derivations of both names. Also, Bossy and Bossie are two etymologically related forms found in French-speaking regions as well as in the United States. Notable people with the surname include:
Antonio Boselli (16th century), Italian painter
Élisabeth Boselli (1914-2005), French military and civilian pilot
Enrico Boselli (born 1957), Italian politician and former leader of the Italian Democratic Socialists
Felice Boselli (1650–1732), Italian Baroque painter
Giacomo Boselli (c. 1744 – 1808), Italian sculptor and painter
Juan Boselli (born 1994), Uruguayan footballer
Mauro Boselli (born 1985), Argentine footballer
Orfeo Boselli (1597–1667), Italian sculptor
Paolo Boselli (1838–1932), Italian politician and Prime Minister during World War I
Pietro Boselli, Italian engineer, former mathematics lecturer at University College London and model
Tony Boselli (born 1972), American football player