Clarence “Gatemouth” Brown (April 18, 1924 – September 10, 2005) was an American musician from Louisiana and Texas known for his work as a blues musician, as well as other styles of music. He spent his career fighting purism by synthesizing old blues, country, jazz, Cajun music and R&B styles. His work also encompasses rock and roll, rock music, folk music, electric blues, and Texas blues.

He was an acclaimed multi-instrumentalist, who played an array of musical instruments, including the guitar, fiddle, mandolin, viola, harmonica and drums. He won a Grammy Award for Best Traditional Blues Album in 1983 for his album, Alright Again!. He is regarded as one of the most influential exponents of blues fiddle and has had enormous influence in American fiddlecircles.

Brown’s two biggest musical influences were Louis Jordan and T-Bone Walker.

Brown was born in Vinton, Louisiana, and raised in Orange, Texas. His professional music career began in 1945, playing drums in San Antonio, Texas.