PRL may refer to:

Places

Polish People's Republic The Polish People's Republic ( pl, Polska Rzeczpospolita Ludowa, PRL) was a country in Central Europe that existed from 1947 to 1989 as the predecessor of the modern Republic of Poland. With a population of approximately 37.9 million ne ...

(''Polska Rzeczpospolita Ludowa''), 1952–1989 * Punggol Regional Library, an upcoming regional library in Punggol, Singapore

Business and enterprises

* Penn Eastern Rail Lines, reporting mark

Computing and technology

* Preferred Roaming List, in CDMA phones * Proportional reduction in loss, a measure of reliability * Protocol-relative link, URLs which do not specify a protocol

Organizations

Liberal Reformist Party (Dominican Republic) The Liberal Reformist Party ( or ''PRL''), formerly Liberal Party of the Dominican Republic ( or ''PLRD'') is a liberal political party in the Dominican Republic. The party was originally named La Estructura, Nohlen, D (2005) ''Elections in th ...

* '' Parti Réformateur Libéral'', a former political party in Belgium * Party of the Radical Left (''Partija radikalne levice''), a political party in Serbia * Republican Party of Liberty, a conservative political party in France, 1945–1951

Science and healthcare

Physical Research Laboratory The Physical Research Laboratory (PRL) is a National Research Institute for space and allied sciences, supported mainly by Department of Space, Government of India. This research laboratory has ongoing research programmes in astronomy and astrop ...

, India * ''

Physical Review Letters ''Physical Review Letters'' (''PRL''), established in 1958, is a peer-reviewed, scientific journal that is published 52 times per year by the American Physical Society. As also confirmed by various measurement standards, which include the ''Journa ...

'', a scientific journal * PRL-8-53, Nootropic research chemical *

Prolactin Prolactin (PRL), also known as lactotropin, is a protein best known for its role in enabling mammals to produce milk. It is influential in over 300 separate processes in various vertebrates, including humans. Prolactin is secreted from the pit ...

, a hormone {{disambiguation