Leblanc, Inc. was a musical instruments manufacturing company based in Kenosha, Wisconsin. The company was a woodwind instrument manufacturer known mainly for its clarinets. In 2004 the firm was sold to Conn-Selmer, a division of Steinway Musical Instruments. As a result, Leblanc ceased to exist as an independent operation, becoming a brand.

The clarinet is a single-reed musical instrument in the woodwind family, with a nearly cylindrical bore and a flared bell.