PR

PR, P.R., Pr, pr, or Pr. may refer to:

Arts, entertainment, and media

• P.R. (TV series), a Canadian television sitcom
• Partisan Review, a former political and literary journal
• Perry Rhodan, German science fiction series
• Power Rangers, an American television franchise based on Super Sentai
• Polskie Radio, Poland's national radio broadcasting organization

Places

• PR postcode area, UK, including Preston and Lancashire
• Paraná (state), Brazil (ISO 3166-2:BR)
• Parma, Italy (ISO 3166-2:IT)
• Puerto Rico, ISO 3166 code PR

Politics

• Pakatan Rakyat, an informal Malaysian political coalition
• Party of Labour (Partija rada), a political party in Serbia
• Proportional representation, a property of some voting systems
• Radical Party of Chile (Partido Radical), 1863–1994
• Radical Party of Chile (2018) (Partido Radical de Chile)
• Republican Party of Albania, a political party in Albania

Public relations

• Public relations, the professional maintenance of a favorable public image by an organisation or person
• Press release, a prepared statement given to the news media as a public-relations tool

Religion

• Pastor, an ordained leader of a Christian congregation
• Permanent rector, or permanens rector, of a parish

Science, technology, and mathematics

Biology and medicine

• Partial Response, a component of Response Evaluation Criteria in Solid Tumors
• Pathogenesis-related proteins, produced by plants under pathogen attack
• Penicillium roqueforti
• Per rectum, meaning "administered rectally"
• Pigment red (e.g. Pigment Red 179, Pigment Red 190) or para red
• PR interval, a measurement used in cardiology
• PR-104
• Progesterone receptor, a protein

Computing

• PR (complexity), a complexity class
• pr, Unix command to paginate or columnate files for printing
• Adobe Premiere Pro, software which uses "Pr" as its icon abbreviation
• Pagerank, a Google technology
• Performance Rating, a computing term by AMD
• Project Reality, series of video games
• Pull request, part of distributed version control
• Part of the YPbPr standard

Mathematics

• PR (complexity), a complexity class
• Pr(E), also P(E), the probability of an event E
• pr_i, a notation for the scalar projection onto the i-th component
• Positive-real function, in mathematics
• Proportional representation, a property of some voting systems

Other uses in science and technology

• Praseodymium, symbol Pr, a chemical element
• Prandtl number, in physics and engineering, typically denoted Pr
• Propyl radicals or groups, denoted Pr in organic chemistry

Sports

• Personal record, an individual's best result in a particular event
• Pinch runner, in baseball
• Protected ranking, a method of ranking tennis players coming back from injury
• Punt returner, a position in American football

Transportation

• Pakistan Railways (reporting mark PR)
• Park and ride, a type of car park with public transport connections
• Philippine Airlines (IATA airline designation PR)
• Poste restante, mail held for collection

Other uses

• Pakistan Rangers, a paramilitary force of Pakistan
• Parachute rigger, a former U.S. Navy rank
• Permanent residency
• Princess Royal (disambiguation)
• Professor
• A US Navy hull classification symbol: Patrol river gunboat (PR)
• PR, in linguistics, glossing abbreviation for present tense

See also

• P&R (disambiguation)