Marcel Barbeau, OC OQ (born February 18, 1925) is a Canadian artist.
Born in Montreal, Quebec, he studied with Paul-Émile Borduas. He completed 'Foret vierge' (1948), which is now in a private collection.
In 1995, he was made an Officer of the Order of Canada. He is a member of the Royal Canadian Academy of Arts. He was made an Officer of the National Order of Quebec in 2015.
He abandoned his children when they were very young and they grew up separated in foster care. His son is schizophrenic and his daughter Manon Barbeau and granddaughter Anaïs Barbeau-Lavalette are both noted Canadian filmmakers.