Dufault is a surname. Notable people with the surname include:

Austin Dufault (born 1990), American basketball player Danielle Dufault (born c. 1988), Canadian artist François Dufault (fl. 1604–1665), French Baroque composer and lutenist Jeremie Dufault (born 1978), Member of the Washington House of Representatives, attorney, and businessman Luce Dufault (born 1966), Canadian singer Maryeve Dufault (born 1982), Canadian-American racing driver Peter Kane Dufault (1923–2013), American poet Pierre Dufault (1934–2025), Canadian journalist and sports commentator