| Abbreviation | Definition |
|---|---|
| JUSUN | Judiciary Staff Union of Nigeria |
| JVA | Jordan Valley Authority |
| JVA | Jubba Valley Authority |
| KAA | Kenya Airport Authority |
| KAA | Kenya Airports Authority |
| KABA | Kalamazoo Area Building Authority |
| KACA | Kenya Anti-Corruption Authority |
| KALA | Kent Association of Local Authorities |
| KCA | kill corrupt authority |
| KCCA | Kampala Capital City Authority |
| KCOA | Kiowa Casino Operations Authority |
| KCSA | Kansas City Streetcar Authority |
| KEA | Karnataka Examination Authority |
| KEA | Karnataka Examinations Authority |
| KEPA | Kuwait Environment Public Authority |
| KHDA | Knowledge and Human Development Authority |
| KLSA | Kerala Legal Services Authority |
| KMDA | Kolkata Metropolitan Development Authority |
| KNDA | Kalinga Nagar Development Authority |
| KPA | Kenya Port Authority |