Righetti is an Italian language surname. Notable people with the surname include:
Alex Righetti (born 1977), Italian basketball playerAmanda Righetti (born 1983), American actress and film producerCaryl Righetti (born 1984), Swiss footballerBenjamin Righetti (born 1982), Swiss musicianDave Righetti (born 1958), American baseball coach and former player, son of Leo RighettiGeltrude Righetti (1793–1862), Italian opera singerJoe Righetti (born 1947), American football playerLeo Righetti (1925–1998), American baseball player, father of Dave RighettiMario Righetti (born c. 1590), Italian painterMattia Righetti (born 1980), Italian rowerOscar Righetti (born 1948), Italian footballerUbaldo Righetti (born 1963), Italian footballerJohn Righetti, president and spokesman of the Carpatho-Rusyn SocietyOscar Righetti (born 1960), Canadian Union President/United Steelworkers of America/Sherwin Williams