| Acronym | Definition |
|---|
| JHA➣Justice and Home Affairs |
| JHA➣Job Hazard Analysis (OSHA) |
| JHA➣Japan Hydrographic Association (Japan) |
| JHA➣Japan Hockey Association |
| JHA➣Japan Halal Association |
| JHA➣Journal for the History of Astronomy |
| JHA➣Jack Henry & Associates, Inc. (Monett, MO) |
| JHA➣Jewish Home for the Aging |
| JHA➣Japan Holiness Association |
| JHA➣Japan Hospital Association |
| JHA➣Japan Housecleaning Association |
| JHA➣James Hardie Australia Pty. Ltd. (construction) |