Comeau may refer to:
People Anselm-François Comeau (1793–1867), Nova Scotia farmer, businessman and politician Andy Comeau (born 1970), American actor Ashley Comeau (born 1984), Canadian actress, writer, and television producer Blake Comeau (born 1986), Canadian hockey player Carol Comeau (born 1941), American educator Chuck Comeau (born 1979), American drummer for Simple Plan Ed Comeau, Canadian lacrosse head coach Gerald Comeau (1946–2023), Canadian Senator Joseph Willie Comeau (1876–1966), Canadian politician Joey Comeau (born 1980), Canadian writer Laura Comeau (born 1983), Canadian rower Marcel Comeau, Canadian ice hockey coach and NHL executive Phil Comeau (born 1956), Canadian film and television director Rey Comeau (born 1948), Canadian National Hockey League player
Places Comeau's Hill, Nova Scotia, a community in Nova Scotia, Canada Comeau Building, a building in West Palm Beach, Florida Baie-Comeau, a city in Quebec
Other Comeau C/C++, a code compiler