PLR may refer to:
Political parties Partito liberale-radicale svizzero, Italian name for the Free Democratic Party of Switzerland Partidul Liberal Reformator, Romanian title for the Liberal Reformist Party (Moldova) Partidul Liberal Reformator, Romanian title for the Liberal Reformist Party (Romania) Partido Liberal Radical or Radical Liberal Party (Paraguay) PLR.Les Libéraux-Radicaux and PLR.I Liberali, French and Italian names respectively for FDP.The Liberals, a Swiss political party Republican Party of Chile, abbreviated as PLR Pour La Réunion, founded in 2012
Codes ICAO airline designator for Northwestern Air IATA code for St. Clair County Airport, Pell City, Alabama, United States ISO 639-3 code for the Palaka language, spoken in Ivory Coast
Other uses Parramatta Light Rail, a light rail line in Sydney, New South Wales, Australia Pupillary light reflex of the eye Private letter ruling, US taxpayer guidance Public Lending Right, author payments for library book loans Pulse link repeater, a telecommunications device Point of local repair of a network in MPLS local protection Psycho+Logical-Records, an American record label WPLR or 99.1 PLR, a radio station, New Haven, Connecticut, US