Leslee Peter Lewis (formerly spelled Leslie and Lesle; born 20 June 1960), popularly known as Lezz Lewis, is an Indian singer and composer known for his work with Hariharan as the duo Colonial Cousins. They won the MTV Asia Viewer's Choice Award and then the U.S. Billboard Viewer's Choice Award for 'Colonial Cousins', their debut album. He conceived and created all the music for Coke Studio, MTV India debut season.

Lewis is one of the first Indian composers to have introduced the Indian audiences to rock and pop music. Lewis's creative side comes as an inherited value from his father, P. L. Raj, noted choreographer from the film industry.

With an aim to give the audiences a taste of varied music flavours, he has been successful in keeping his originality intact with advertisement jingles, film music and other forms of modern music.