| Acronym | Definition |
|---|
| RMHA➣Rocky Mountain Horse Association |
| RMHA➣Rocky Mountain Hebrew Academy (Denver, CO) |
| RMHA➣Riverside Minor Hockey Association (Canada) |
| RMHA➣Responsible Mental Health Agency |
| RMHA➣Robert M. Haas Associates, Inc. |
| RMHA➣Russell Minor Hockey Association (Canada) |
| RMHA➣Richmond Minor Hockey Association (BC, Canada) |
| RMHA➣Rocky Mountain Haflinger Association |
| RMHA➣Runnymede Mental Health Association (Egham, Surrey, UK) |
| RMHA➣Rocky Mountain Handcrafted Automobile (club) |
| RMHA➣Rochester Mite Hockey Association (Minnesota) |
| RMHA➣Regional Meat Hygiene Adviser (UK) |
| RMHA➣Relief Mental Health Associate |
| RMHA➣Racine Mutual Housing Association (Racine, WI) |