| Acronym | Definition |
|---|
| SYC | Seychelles (ISO Country code) |
| SYC | Sandringham Yacht Club (Australia) |
| SYC | Seattle Yacht Club (Seattle, WA) |
| SYC | Sierra Youth Coalition (Ottawa, ON, Canada) |
| SYC | Super Youth Circuit (fencing) |
| SYC | Student Youth Council (Guria, Georgia) |
| SYC | Spartacus Youth Club (New York) |
| SYC | Springfield Youth Club (Virginia) |
| SYC | Shop Your Closet |
| SYC | Supporting Your Community (various organizations) |
| SYC | Stepanavan Youth Center (Armenia) |
| SYC | Safaris Y Cacerias (Argentina) |
| SYC | Senior Youth Challenge |
| SYC | Systems Concept |
| SYC | Serve Your Country |
| SYC | Second Year Centre (Australia) |
| SYC | Subject Yet to Clear (academics) |