- Spy Glass Blue -- Spyder Turner
- Spyderbaby UK -- Spyro
- Spyro Gyra -- SQ.Lab
- SQÜRL -- Squalls
- Squally G. -- Square Root
- Square Root of Margaret -- Squartet
- Squash -- Squeaky Mac
- Squeaky Macc -- Squeezebox
- Squeezebox Ltd. -- Squiddly Ranks
- Squiddo -- Squonk Opera
- Sqwer -- SR. Sharon M. Peters, P.C.J.
- S.R Smooth Rhythm -- Srcem I Dusom
- Srdjan Ilic -- Søren Friis
- Søren Frost -- Sérgio Di Ramos
- Sérgio Fernandes -- Sri Rajkumar Bharati
- Sri Ram Bhajans -- Srimati Manju Das