| Acronym | Definition |
|---|
| SYS➣System(s) |
| SYS➣System Configuration (File Name Extension) |
| SYS➣See You Soon |
| SYS➣System File |
| SYS➣Sun Yat-Sen (founder of Republic of China) |
| SYS➣Sarasota Youth Sailing (Sarasota, FL) |
| SYS➣State Your Source (Internet slang) |
| SYS➣Stretch-Yawn Syndrome |
| SYS➣Southwest Youth Symphony |
| SYS➣Sesli Yanýt Sistemleri (Turkish: Voice Response System) |
| SYS➣Salford Youth Service (UK) |