| Abbreviation | Definition |
|---|---|
| HMEC | High-Moisture Ear Corn |
| HNAG | Household Non-AGriculture |
| HNGV | High Nature Value Farmland |
| HOAC | Highland Organic Agriculture Cooperative |
| HOFA | Hawaii Organic Farmers Association |
| HOFA | Hawaii Organic Farming Association |
| HOGA | Hawaii Orchid Growers Association |
| HOOA | Hazardous Occupation Orders for Agriculture |
| HOOA | Hazardous Occupations Order for Agriculture |
| HOOF | Helper Of Our Farm |
| HOOF | Helpers Of Our Farm |
| HPAU | Himachal Pradesh Agricultural University |
| HPTA | Humic Products Trade Association |
| HS | Herald of Spring |
| HSMP | Highly Skilled Migrant Programme |
| HSP | Horse Slaughtering Prevention |
| HSPA | Hawaiian Sugar Planters Association |
| HVAA | High Value Agriculture Activity |
| HVAP | High Value Agriculture Project |
| HVF | Hope Valley Farms |