Cadieux is a surname. Notable persons with that surname include:
Anne-Marie Cadieux (born 1963), Canadian actress, film director and screenwriter Chester Cadieux, co-founder of QuikTrip, a US chain of convenience stores David Cadieux (born 1974), professional heavyweight boxer from Canada Geneviève Cadieux (born 1955), Canadian artist Jason Cadieux, Canadian film, television and stage actor Léo Cadieux, PC OC (1908–2005), Canadian politician Lorenzo Cadieux, SJ (1903–1976), Canadian Jesuit priest, historian and academic Marcel Cadieux, CC (1915–1981), Canadian civil servant and diplomat Paul Cadieux, Canadian film and television producer Paul-André Cadieux (born 1947), professional ice hockey forward, coach, sports director Pierre Cadieux, PC (born 1948), lawyer and former Canadian politician Ray Cadieux (born 1941), ice hockey player Sophie Cadieux (born 1977), Quebec actress Stephanie Cadieux (born 1972), Canadian politician Sylvain Cadieux (born 1974), Canadian archer Teri MacDonald-Cadieux (born 1963), Canadian stock car racing driver
See also L'Île-Cadieux, Quebec, village and municipality in the Montérégie region of Quebec, Canada It's Your Turn, Laura Cadieux, Canadian comedy film