H&H
| Acronym | Definition |
|---|---|
| H&H | Hemoglobin and Hematocrit (medicine) |
| H&H | Hydrology and Hydraulics (USACE) |
| H&H | Hot and Heavy |
| H&H | Hematocrit and Hemoglobin |
| H&H | Holland and Holland (firearms manufacturer) |
| H&H | Handel & Haydn Society (since 1815) |
| H&H | Hurt & Heal (gaming) |
| H&H | Holland and Hart LLP (law firm) |