Frausto is a surname. Notable people with the surname include:
Alejandra Frausto Guerrero, Mexican cultural director Alfredo Frausto (born 1983), Mexican footballer Antonio R. Frausto (1897–1954), Mexican actor Federico Bernal Frausto (born 1953), Mexican politician João J. R. Fraústo da Silva (1933–2022), Portuguese chemist Salomon Frausto, American architectural theorist Stephanie Frausto (born 1990), American mixed martial artist Zoila Frausto Gurgel (born 1983), American mixed martial artist