Catherine Doucet (born Catherine Green) was an American actress. She appeared in more than 30 films between 1915 and 1954. Her film debut came in As Husbands Go. Doucet's work on Broadway began with Brown of Harvard (1906) and ended with Oh, Brother! (1945). Doucet was married to Paul Doucet, "a prominent actor of French extraction" for 14 years until his death in 1928.