OYA
| Acronym | Definition |
|---|---|
| OYA | Oregon Youth Authority |
| OYA | Office of Youth Affairs (Australia) |
| OYA | Orland Youth Association (Orland Park, IL) |
| OYA | Oxford Yacht Agency (Maryland) |
| OYA | Over Year Ago |
| OYA | Orthodox Youth Association (religious association) |
| OYA | Office for Young Adults (Boston, MA) |