Louis Sclavis (b. Lyon, France, February 2, 1953) is a French musician. He performs on clarinet, bass clarinet, and saxophones in a variety of contexts, including jazz and free jazz. His music shows great creativity and a lively sense of humor. He frequently performs with the cellist Ernst Reijseger and was one of the first to combine jazz with French folk music, working most prominently with the hurdy-gurdy player Valentin Clastrier.
He is also famous with the trio involving French bassist Henri Texier and drummer Aldo Romano.