PRB

PRB may refer to:

• Paso Robles Municipal Airport, IATA designation
• PRB (car), Australian Automotive Manufacturer
• PRB (vessel)
• The unofficial ISO 4217 code for the Transnistrian ruble

PRB is short for:

• Powder River Basin, geologic basin in USA with large coal deposits
• Brazilian Republican Party, (Partido Republicano Brasileiro, in Portuguese)
• Pre-Raphaelite Brotherhood of artists
• Population Reference Bureau
• Parti Rakyat Brunei, former political party in Brunei
• Phosphorylated Retinoblastoma protein, pRb
• People's Republic of Bulgaria
• Physical Review B, physics journal
• Permeable Reactive Barrier, for groundwater remediation
• Poudreries Réunies de Belgique SA, former Belgium armaments manufacturer
• Periodic Review Board,