William Edwin "Ed" Bruce, Jr. (born December 29, 1939) is an American country music songwriter and singer. He is known for penning the 1975 song "Mammas Don't Let Your Babies Grow Up to Be Cowboys" and recording the 1982 country number one hit "You're the Best Break This Old Heart Ever Had". Bruce was born in Keiser, Arkansas and grew up in Memphis, Tennessee. In 1957, at the age of 17, he went to see Jack Clement, a recording engineer for Sun Records. Bruce caught the attention of Sun owner Sam Phillips, for whom he wrote and recorded "Rock Boppin' Baby" (as "Edwin Bruce").

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