- Sleepy McDaniel -- Sleepydog
- Sleepyeyez -- Sleeve
- Sleevez -- Sleight of Mind
- Slej -- Sli
- Sli-Pro -- Slice9
- Slicemysta -- Slick and Dremel
- Slick B -- Slick Lilly
- Slick Love -- Slick & Rose
- Slick Seville -- Slickfist
- Slickmick -- Slide Hampton and the World of Trombones
- Slide Hampton Quartet -- Slideshow Baby
- Slidewerke -- Slightly Narrow Sound System
- Slightly Scared Boy -- Sligo