JHA
| 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) |