- Sysex -- System
- System -- System 4
- System 56 -- System Addict
- System and Station -- System Crash
- System Critical -- System Drivers
- System Eight -- System Fade
- System Failure -- System of a Down
- System of Survival -- System Seven
- System Shock -- Systema Solar
- Systemaddict -- Systematik
- Systemchick -- Systems Theory
- Systemton -- Systral
- Sysyphe -- Syuga
- Syuichi Hidano -- 旬