{{wiktionary|PR|.pr}} '''PR''', '''P.R.''', '''Pr''', '''pr''', or '''Pr.''' may refer to:{{tocright}} ==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, eleven postcode districts in UK * Paraná (state), a state in Brazil (ISO 3166-2:BR) * Parma, a city in Italy (ISO 3166-2:IT) * Puerto Rico, a Caribbean territory (ISO 3166-1:PR)
==Politics== * Pakatan Rakyat, an informal Malaysian political coalition * Party of Labour (Serbia) (''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 * Rector (ecclesiastical), 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'', a medical abbreviation meaning "administered rectally" * PR interval, a measurement used in cardiology * PR-104 * Progesterone receptor, a protein
===Computing=== * PR (complexity), a complexity class * pr (Unix), 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<sub>''i''</sub>, 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) * Polregio (formerly Przewozy Regionalne), a polish railway operator * Park and ride, a type of car park with public transport connections * Philippine Airlines (IATA airline designation PR) * ''Poste restante'', mail held for collection * Brazil (aircraft registration prefix PR)
==Other uses== * Pakistan Rangers, a paramilitary force of Pakistan * Parachute rigger, a former U.S. Navy rank * Permanent residency * Princess Royal (disambiguation) * Product return * Professor * A US Navy hull classification symbol: Patrol river gunboat (PR) * {{Smallcaps all|PR}}, in linguistics, glossing abbreviation for present tense * Platonic relationship
==See also== * P&R (disambiguation)
{{Disambiguation}}