Found 7 full forms for GYS
| Term | Full Form | Category |
|---|---|---|
| Gy/s | Grays Per Second 
| Others |
| GYS | Geographiki Ypiresia Stratou
| Others |
| GYS | Glencoe Youth Services
| Others |
| GYS | Global Youth Summit
| Others |
| GYS | Great Yorkshire Show
| Others |
| GYS | Greenville Youth Sports
| Others |
| GYS | Gulf Youth Sport
| Others |