| 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) |