| Abbreviation | Definition |
|---|---|
| JH | Jackson Hole, Wyoming |
| JH | Jockey Hollow |
| JI | Johnston Island |
| JIP | Joint Community Care Investment Plan |
| JJAG | Juvenile Justice Advisory Group |
| JJD | Juvenile Justice Division |
| JJG | Juvenile Justice Group |
| JKV | Jacksonville, Florida, Field Office |
| JLH | Jupiter LightHouse |
| JLIP | Joint Local Implementation Plans |
| JLSC | Joint Legislative Sunset Committee |
| JMPF | Joint Municipal Pension Fund |
| JMPO | New Hampshire Judicial and Mediation Programs Office |
| JNP | Jellystone National Park |
| JNR | Jamaica National Reserve |
| JPO | Japanese Patent Office |
| JREAP | Jtids Range Extender Application Protocol |
| JSEB | Jacksonville Small Emerging Business |
| JSEB | Jharkhand State Electricity Board (India) |
| JTV | Jack Tar Village |