Leslie Matthew Stewart (born 21 March 1961) is a retired Trinidadian boxer.

Known as "Laventille Tiger", Stewart turned professional in 1982 and challenged for the vacant WBA Light Heavyweight Title in 1986, but was TKO'd by Marvin Johnson when the bout was stopped on cuts.

Stewart lost the belt in his first defense to Virgil Hill.

In 1988 he challenged WBC Light Heavyweight Title holder Donny Lalonde, but lost via TKO.

In 1989 he took on WBO Light Heavyweight Title holder Michael Moorer, but again lost via TKO.