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

Businesses and organizations

Government and political

Sports leagues

Other businesses and organizations



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

Science, technology, and mathematics


Computing and telecommunications

File formats


Telecommunication and networking

  • .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

Other uses