| Term | Full Form | Category |
|---|---|---|
| OOCA | Object Oriented Computing in Astrophysics | Others |
| OOCA | Office of Overseas Chinese Affairs | Others |
| OOCA | Old Oaks Civic Association | Others |
| OOCA | Online Orthodox Christian Assembly | Others |
| OOCA | Organisation Ohne Cooles Akronym | Others |
| OOCA | Out Of Class Activity | Others |
| OOCA | Out Of Context Award | Others |