Pretto is a surname. Notable people with the surname include:
Adão Pretto (1945–2009), Brazilian politician Alby Sabrina Pretto (born 1985), Italian ballet dancer Mario Pretto (1915–1984), Italian footballer and manager Olinto De Pretto (1857–1921), Italian industrialist and geologist Rino Pretto (born 1959), Australian rules footballer Satcha Pretto (born 1980), Honduran journalist