PRB

'''PRB''' may refer to:

==Companies and organizations== * Periodic Review Board * Population Reference Bureau * Poudreries Réunies de Belgique, former Belgium armaments manufacturer * PRB (company), Australian Automotive Manufacturer * PRB, French Coatings Company * Pre-Raphaelite Brotherhood of artists * PRB Sailing Team * Polish Business Council (''Polska Rada Biznessu'' in Polish)

==Politics== * Brazilian Republican Party (''Partido Republicano Brasileiro'', in Portuguese) * Parti Rakyat Brunei, former political party in Brunei

==Science== * Retinoblastoma protein, pRb, an important tumour-suppressor gene in retinoblastoma * Progesterone receptor B

==Other uses== * Paso Robles Municipal Airport, IATA designation * People’s Republic of Bangladesh * People's Republic of Benin * People's Republic of Bulgaria * Permeable reactive barrier, for groundwater remediation * ''Physical Review B'', physics journal * Powder River Basin, US * PRB (vessel) * The unofficial ISO 4217 code for the Transnistrian rubla

{{disambiguation}}