OJA
| Acronym | Definition |
|---|---|
| OJA | Office of Juvenile Affairs (Oklahoma) |
| OJA | Office of Justice Assistance (Madison, WI) |
| OJA | Ottawa Jewish Archives (Ottawa, Canada) |
| OJA | Online Journalism Award |
| OJA | Office of Judicial Administration (Kansas) |
| OJA | Orange Julius of America (fast food franchise; Minneapolis, MN) |
| OJA | Orlando Junior Academy (Orlando, Florida) |
| OJA | Organisme de Justice Alternative (French: Alternative Justice Organization; Canada) |