| Siegfried |
| Siegfried Arno |
| Siegfried Fietz |
| Siegried Fietz |
| SieleSoTrue |
| Sielun Veljet |
| Siempre Así |
| Sieneke |
| Sienná |
| Sienna Skies |
| Sierra |
| Sierra Hull |
| Sierra Kid |
| Sierra Kidd |
| Sierra Kusterbeck |
| Sierra Leone's Refugee All Stars |
| Sierra McClain |
| Sierra Noble |
| Sierra Swan |
| Siete de Picas |
| Siete Potencias |
| Sifax |
| Sifferien, Claude |
| Sig |
| Sig HB |
| Sig Transit Gloria |
| Sigala |
| Siggi Gerhard Swingtett |
| Siggno |
| Sigh |
| Sighlo |
| Sights & Sounds |
| Sigma |
| Sigma |
| Sigmund Romberg |
| Sigmund Snopek III |
| SIGN |
| Signa Joy |
| Signal Versus Noise |
| Signalrunners |
| Signals Midwest |
| Signature Sound Quartet |
| Signe Mansdotter |
| Signe Marie Schmidt-Jacobsen |
| Signed, Sealed and Delivered |
| Signmark |
| Signorello |
| Signs Of Betrayal |
| Signum |
| Sigrid |
| Sigrid Bernson |
| Sigríður Beinteinsdóttir |
| Sigue Sigue Sputnik |
| Sigur Ros |
| Sigurd Ulveseth |
| Sigurður Guðmundsson |
| Sii |
| Siiri Nordin |
| Sijosaï |
| Sik-K |
| Sik World |
| Sikandar Ka Mandar |
| Sikdope |
| Sikiru Adepoju |
| Sikitikis |
| Sikth |
| Sil |
| Sil Austin |
| Sıla |
| Silage |
| Silahsız Kuvvet |
| Silangan Singers |
| Silão |
| Silas |
| Silas Leleu |
| Silbermond |
| SiLC |
| Silence |
| Silence 4 |
| Silence Dead |
| Silence The Epilogue |
| Silence the Wake |
| Silencer |
| Silencers |
| Silent Bob |
| Silent Circle |
| Silent Civilian |
| Silent Drive |
| Silent Force |
| Silent Motion |
| Silent Partners |
| Silent Planet |
| Silent Sanctuary |
| Silent Shadows |
| Silent Siren |
| Silent Stream of Godless Elegy |
| Silent Strike |
| Silentbomb |
| Silentium |
| Silentó |
