Dubuc or du Buc may refer to:
Places Dubuc (electoral district), a provincial electoral district in Quebec, Canada Dubuc, Saskatchewan
People Aimée du Buc de Rivéry (1768–?), French heiress Alain Dubuc, Canadian journalist Alfred Dubuc (1871–1947), member of the Canadian House of Commons Jean Dubuc (1888–1958), Major League Baseball pitcher Jean Dubuc (politician) (born 1941), Canadian politician Jessika Dubuc (born 1983), Canadian synchronized swimmer Joseph Dubuc (1840–1914), Canadian lawyer and politician Lucien Dubuc (1877–1956), Canadian lawyer, judge and politician Luis Dubuc (born 1985), musician from Texas Marianne Dubuc (illustrator) (born 1980), Canadian writer and illustrator Marianne Dubuc (figure skater) (born 1983), Canadian figure skater Maryse Dubuc (born 1977), Canadian comics writer Nancy Dubuc, American businesswoman Nicole Dubuc (born 1978), American writer Pierre Dubuc (born 1947), Canadian editor, founder of L'aut'journal , French tennis player (1759–1827), French colonial administrator