Sirois is a surname. Notable people with the surname include:
Allan Sirois (born 1975), Canadian ice hockey player Anne-Marie Sirois (born 1958), Canadian visual artist, writer and film director Bob Sirois (born 1954), Canadian ice hockey player Charles Sirois (born 1954), Canadian businessman Edward Sirois (1898–1968), American politician and Massachusetts National Guard officer Joe Sirois (born 1972), American drummer Jonathan Sirois Canadian soccer goalkeeper Leon Sirois (born 1935), American racing driver Marie Sirois (1865 – 1920), Canadian strongwoman Myriam Sirois (born 1975), Canadian actress and voice actress Richard Sirois (disambiguation) Rich Sirois (born 1957), Canadian hockey player Richard Z. Sirois (born 1956), Canadian radio personality Tyler Sirois (born 1984), American politician
See also Sirois Lake, a freshwater body of the Mauvaise River watershed, in Quebec, Canada Sirois hearing, a legal hearing