S
- Buffy Sainte-Marie
- Telly Savalas
- Neil Sedaka (Rocket/MCA)
- Sabrina (MCA Music Philippines)
- Semisonic
- Charlie Sexton
- Shaggy
- Shai
- Cybill Shepherd
- Shy (Shy England in U.S.)
- Side A (MCA Music Philippines)
- Something Corporate
- Soul for Real
- Sound Barrier
- SouthFM
- Spinal Tap
- SpeedBall Baby (Fort Apache/MCA)
- Spread Eagle
- Spyro Gyra
- Stackridge (from Decca)
- Brenda K. Starr
- Steelheart
- Steely Dan (from ABC)
- Stone Fury
- Sublime
- Sweet F.A.
Read more about this topic: List Of MCA Records Artists