- The Suicide Ghouls -- The Summer of Mars
- The Summer Pledge -- The Sundance Band
- The Sundance Kids -- The Sunny Era
- The Sunny Mountain Boys -- The Sunshine
- The Sunshine Band -- The Super Jazz Trio
- The Super Lounge Orchestra -- The Superpowers
- The Supersonics -- The Surf Champlers
- The Surf City Allstar Band -- The Surfriders
- The Surfsiders -- The Sutcliffe's
- The Sutras -- The Swannee Quintet
- The Swanns -- The Sweet A.M.
- The Sweet Chap -- The Swellers
- The Swells -- The Swingin' Johnsons
- The Swingin' Neckbreakers -- The Switch Ups
- The Switchblade Valentines -- The Symphony of Harmony & Invention
- The Symphony of Istanbul -- The T-Boppers