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PL, P.L., Pl, or .pl may refer to:

Businesses and organizations[edit]

Government and political[edit]

Sports leagues[edit]

Other businesses and organizations[edit]



  • PL Kyodan, a religious movement founded in Japan in the early 20th century
  • Patrologia Latina, a collection of Catholic writings published by Jacques-Paul Migne between 1841 and 1855

Science, technology, and mathematics[edit]


Computing and telecommunications[edit]

File formats[edit]


Telecommunication and networking[edit]

  • .pl, country code top-level domain for Poland
  • PL tone, a kind of squelching of an audio signal
  • Packet loss, one of the three main error types encountered in digital communications
  • Path loss, in telecommunication engineering
  • Presentation layer, one of the seven layers in the OSI model of computer networking
  • Digital Private Line, another form of tone squelching


Other uses in science and technology[edit]

Other uses[edit]