Jean-Marie Banos (born 10 February 1962) is a Canadian former fencer. He competed in the individual and team sabre events at four consecutive Olympic Games between 1984 and 1996. His brother, Jean-Paul Banos, also fenced for Canada at four Olympic Games. He is married to Caitlin Bilodeaux, who fenced for the United States at the 1988 and 1992 Summer Olympics.