Found 6 full forms for OASI
| Term | Full Form | Category |
|---|---|---|
| OASI | Obstetric Anal Sphincter Injury 
| Others |
| OASI | Old Age and Survivors Insurance
| Others |
| oasi | Old Age Security Income
| Others |
| OASI | Old Age Survivors Insurance
| Others |
| OASI | Organic Agriculture Support Initiative
| Others |
| OASI | Orwell Astronomical Society (Ipswich)
| Others |