Found 7 full forms for OSY
| Term | Full Form | Category |
|---|---|---|
| OSY | Namsos, Norway 
| Others |
| OSY | Optimum Sustainable Yield
| Others |
| OSY | Orah Shel Yeshua
| Others |
| OSY | Osbourne Family Stores
| Others |
| OSY | Out of School Youth
| Others |
| OSY | Outside Stem and Yoke
| Others |
| OSY | Outstanding Student of the Year
| Others |