PRB may refer to:

Companies and organizations

Periodic Review Board The Periodic Review Boards administrate a US ''"administrative procedure"'' for recommending whether certain individuals held in the Guantanamo Bay detention camps, in Cuba are safe to release or transfer, or whether they should continue to be held ...

Population Reference Bureau The Population Reference Bureau (PRB) is a private, nonprofit organization specializing in collecting and supplying statistics necessary for research and/or academic purposes focused on the environment, and health and structure of populations. The ...

Poudreries Réunies de Belgique Poudreries Réunies de Belgique SA (or PRB) was one of Belgium's oldest and largest manufacturers of munitions, once the second-largest Belgian armaments manufacturer. The company indirectly started in 1778 in Wetteren as a gunpowder factory. By i ...

, former Belgium armaments manufacturer * PRB (company), Australian Automotive Manufacturer * PRB, French Coatings Company *

Pre-Raphaelite Brotherhood The Pre-Raphaelite Brotherhood (PRB), later known as the Pre-Raphaelites, was a group of English painters, poets, and art critics, founded in 1848 by William Holman Hunt, John Everett Millais, Dante Gabriel Rossetti, William Michael Rossett ...

of artists * PRB Sailing Team * Polish Business Council (''Polska Rada Biznessu'' in Polish)

Politics

Brazilian Republican Party The Republicans (), formerly the Brazilian Republican Party (, PRB) and originally formed as the Municipalist Renewal Party (, PMR), is a Brazilian political party. Its electoral number, the numerical assignment for Brazilian political parties, ...

(''Partido Republicano Brasileiro'', in Portuguese) *

Parti Rakyat Brunei Brunei People's Party (BPR), also known as (PRB), was a political party in Brunei, now believed to be defunct. It won Brunei’s council elections in 1962 but disputes soon after led to a failed revolt. The party continued in exile for a few ...

, former political party in Brunei

Science

Retinoblastoma protein Retinoblastoma (Rb) is a rare form of cancer that rapidly develops from the immature cells of a retina, the light-detecting tissue of the eye. It is the most common primary malignant intraocular cancer in children, and 80% of retinoblastoma cas ...

, pRb, an important tumour-suppressor gene in retinoblastoma *

Progesterone receptor B The progesterone receptor B (PR-B) is one of three known isoforms of the progesterone receptor (PR), the main biological target of the endogenous progestogen sex hormone progesterone. The other isoforms of the PR include the PR-A and PR-C. See a ...

Other uses

Paso Robles Municipal Airport Paso Robles Municipal Airport is northeast of downtown Paso Robles, in San Luis Obispo County, California, United States. Facilities The airport covers and has two runways and one helipad: * 1/19: , asphalt * 13/31: , asphalt * Helipad H1 ...

, IATA designation *

People’s Republic of Bangladesh Bangladesh, officially the People's Republic of Bangladesh, is a country in South Asia. It is the eighth-most populous country in the world and among the most densely populated with a population of over 171 million within an area of . Bangl ...

People's Republic of Benin The People's Republic of Benin (; sometimes translated literally as the Benin Popular Republic or Popular Republic of Benin) was a socialist state located in the Gulf of Guinea on the African continent, which became present-day Benin in 1990 ...

People's Republic of Bulgaria The People's Republic of Bulgaria (PRB; , NRB; ) was the official name of Bulgaria when it was a socialist republic from 1946 to 1990, ruled by the Bulgarian Communist Party (BCP; ) together with its coalition partner, the Bulgarian Agraria ...

Permeable reactive barrier A permeable reactive barrier (PRB), also referred to as a permeable reactive treatment zone (PRTZ), is a developing technology that has been recognized as being a cost-effective technology for ''in situ'' (at the site) groundwater remediation. PRBs ...

, for groundwater remediation * ''

Physical Review B ''Physical Review B: Condensed Matter and Materials Physics'' (also known as PRB) is a peer-reviewed, scientific journal, published by the American Physical Society (APS). The Lead Editor of PRB is Stephen E. Nagler and the Chief Editor is Sarma ...

'', physics journal *

Powder River Basin The Powder River Basin is a geologic structural basin in southeast Montana and northeast Wyoming, about east to west and north to south, known for its extensive coal reserves. The former hunting grounds of the Oglala Lakota, the area is very ...

, US * PRB (vessel) * The unofficial ISO 4217 code for the Transnistrian rubla {{disambiguation