| Acronym | Definition |
|---|
| PRB➣Problem |
| PRB➣Population Reference Bureau (think tank) |
| PRB➣Powder River Basin (Wyoming) |
| PRB➣Pearl River Bridge (Chinese food) |
| PRB➣Paso Robles (California) |
| PRB➣Permeable Reactive Barrier (groundwater treatment technology) |
| PRB➣Preliminary Review Board |
| PRB➣Program Request Block |
| PRB➣Physical Review B (American Physical Society journal of condensed matter and material physics) |
| PRB➣Retinoblastoma Gene Product |
| PRB➣Pre-Raphaelite Brotherhood |
| PRB➣Program Review Board (US DoD; Military Health System) |
| PRB➣Pseudo-Random Binary |
| PRB➣Performance Review Board |
| PRB➣Publications Review Board (US CIA) |
| PRB➣Parks and Recreation Board (various locations) |
| PRB➣Professional Responsibility Board (Vermont) |
| PRB➣Project Review Board |
| PRB➣Packet Receive Buffer |
| PRB➣Pangani River Basin (Tanzania) |
| PRB➣Panel Review Board |
| PRB➣Proposal Review Board (various organizations) |
| PRB➣Renaissance Party du Benin (Benin) |
| PRB➣Peer Review Board (scholarly organizations) |
| PRB➣Pre-Retcon Beyonder (Marvel Comics) |
| PRB➣Problem Review Board |
| PRB➣Pelton Round Butte (hydroelectric project; Oregon) |
| PRB➣Public Reference Branch (US SEC) |
| PRB➣Procurement Review Board |
| PRB➣Policy Review Board |
| PRB➣Package Responsible Buyer |
| PRB➣Partai Rakyat Brunei (Brunei People's Party) |
| PRB➣Physical Resource Block (telecommunications) |
| PRB➣People's Republic of Bulgaria |
| PRB➣Prayer Request Board |
| PRB➣Personnel Replacement Battalion |
| PRB➣FCC Private Radio Bureau |
| PRB➣Procedure Review Board |
| PRB➣Payload Reference Bench |
| PRB➣Problem Reporting Bulletin |
| PRB➣People's Republic of Berkeley (humor) |
| PRB➣Peoria-Rockford Bus Company |
| PRB➣Propeller Bulletin |
| PRB➣Partners in Revitalization and Building |
| PRB➣Planetary Robotics Building (Carnegie Mellon University) |
| PRB➣Program Resources Branch (Canada) |
| PRB➣Pet Returnable Bottle (packaging) |
| PRB➣Proofreading Box |