PRHB
| Acronym | Definition |
|---|---|
| PRHB | Penn Reviews in the History of the Book (University of Pennsylvania; Philadelphia, PA) |
| PRHB | Post-Retirement Health Benefit |
| PRHB | Puerto Rico Home Builders Association |
| PRHB | Periodic Reception History Broadcast (computing) |
| PRHB | Puerto Rico Hapkido Brotherhood (online sports group) |