PRL

PRL may refer to:

Places

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

Business and enterprises

 * Pakistan Refinery Limited, a refinery in Karachi
 * 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

Political parties

 * Liberal Reformist Party (Dominican Republic)
 * 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

Other organisations

 * Premiership Rugby Limited, the organising body of Premiership Rugby

Science and healthcare

 * Physical Research Laboratory, India
 * Physical Review Letters, a scientific journal
 * PRL-8-53, Nootropic research chemical
 * Prolactin, a hormone

Other

 * Parramatta Rail Link, a formerly proposed railway project in Sydney, Australia