Louis Smith (born May 20, 1931, in Memphis, Tennessee) is an American jazz trumpeter.

While studying at the University of Michigan, he played with visiting musicians such as Dizzy Gillespie, Miles Davis, Thad Jones and Billy Mitchell, before going on to play with Sonny Stitt, Count Basie and Al McKibbon, Cannonball Adderley, Percy Heath, Philly Joe Jones, Lou Donaldson, Donald Byrd, Kenny Dorham and Zoot Sims.

He began his career with two albums for Blue Note Records. The first, Here Comes Louis Smith, originally recorded for the Boston based Transition Records, featured Cannonball Adderley (then under contract to Mercury) playing under the pseudonym "Buckshot La Funke", Tommy Flanagan, Duke Jordan, Art Taylor and Doug Watkins. Smith's initial music career was brief, he became a teacher at the University of Michigan and Ann Arbor's public school system, but later recorded for the SteepleChase label.

His cousin Booker Little was also a trumpeter.