Conrad Bain (born February 4, 1923 in Lethbridge, Alberta) is a Canadian television actor.
Bain is best known for his roles of Dr. Arthur Harmon in Maude (1972-1978) and Phillip Drummond in Diff'rent Strokes (1978-1986). He has three children with Monica Sloan, to whom he's been married since 1945. He has an identical twin brother named Bonar Bain. He appeared on the first episode of Dark Shadows in 1966 and other episodes playing the hotel clerk Mr. Wells.