OKA
| Acronym | Definition |
|---|---|
| OKA | Otherwise Known As |
| OKA | Originally Known As |
| OKA | Ontario Kinesiology Association (Canada) |
| OKA | Okinawa, Ryukyu Islands, Japan - Naha Field (Airport Code) |
| OKA | Oxford Karate Academy (Littlemore, Oxford, UK) |
| OKA | Organization for Korea Atomic Energy Awareness |