| The Shouting Matches |
| The Shouts |
| The Showdown |
| The Showmen |
| The Showtime Orchestra and Singers |
| The Shrimp Attack Collective |
| The Shutdowns |
| The Shuteye Train |
| The Shys |
| The Sibl Project |
| The Sicilians |
| The Side Project |
| The Sidekicks |
| The Sights |
| The Sights & Sounds |
| The Sign |
| The Silence |
| The Silencers |
| The Silent Comedy |
| The Silhouettes |
| The Silkie |
| The Silos |
| The Silver |
| The Silver Beatles |
| The Silver Bullets |
| The Silver Convention |
| The Silver Pandas |
| The Silver Seas |
| The Silver Starlite Orchestra |
| The Silverlake Conservatory of Music Youth Chorale |
| The Silvertones |
| The Similou |
| The Simon Sisters (Lucy and Carly) |
| The Simpsons |
| The Sims Twins |
| The Sing a longs |
| The Sing Along Chorale |
| The Sing-a-long Superstars |
| The Sing-a-long Toddlers |
| The Sing-Off Contestants |
| The Singalongasong Band |
| The Singboks |
| The Singer Midgets |
| The Singers Unlimited |
| The Singing Dancing Lambs |
| The Singing Dogs |
| The Singing Kettle |
| The Singing Machine |
| The Singing Nun |
| The Singing Nuns |
| The Singing Pussycats |
| The Singing Ranger & His Rainbow Ranch Boys |
| The Singletons |
| The Sins Of Thy Beloved |
| The Sir Douglas Band |
| The Sir Douglas Quintet |
| The Sir Finks |
| The Sireens |
| The Sirens |
| The Sisterhood |
| The Sisters |
| The Sisters Love |
| The Sisters of Mercy |
| The Sittin' Ducks |
| The Six |
| The Six Sixes |
| The Six Strings |
| The Skatalites |
| The Skeletons |
| The Sketnicks |
| The Skies of America |
| The Skins |
| The Skip Heller Trio |
| The Skoi!Dats |
| The Skylarks |
| The Skyliners |
| The Slackers |
| The Slackmates |
| The Slades |
| The Slammers Maximum Jive Band |
