JKA
| Acronym | Definition |
|---|---|
| JKA | Japan Karate Association |
| JKA | Japan Kendama Association |
| JKA | Jharkhand |
| JKA | Japan Korfball Association |
| JKA | Jabatan Kejuruteraan Awam (Malaysian academic organization) |
| JKA | Jedi Knight 2: Jedi Academy (gaming) |
| JKA | Jaded Knights Academy (gaming clan) |
| JKA | Jim D. Koontz & Associates, INc. |