| Abbreviation | Definition |
|---|---|
| HKMA | Hong Kong Medical Association |
| HLA | Hat Leather Association |
| HLBA | Holland Lop Breeders Association (Rabbit Breeders) |
| HLCN | Haveson Leadership Coaching and Network |
| HMC | Home Manufacturers Council of NAHB |
| HMO | Health Majors Organization |
| HNST | Head Native Speaking Teacher |
| HOD | House of Delegates |
| HOSA | Health Occupations Student Association |
| HOWEVERYCREATEDKINDLES | heck |
| HPAA | Health Promotion Alumni Association |
| HPAA | Hewlett Packard Alumni Association |
| HPARB | Health Professions Appeal and Review Board |
| HPCSA | Health Professions Council of South Africa |
| HPIF | High Performance Islamic Finance |
| HPMA | Hardwood Plywood Manufacturers Association |
| HPMA | Hill Park Media Association |
| HRAI | Heating, Refrigeration, and Air Conditioning Institute of Canada |
| HRAN | Himalayan Rescue Association Nepal |
| HRAN | Human Rights Agenda Network |