PLP may refer to:

Science and technology

  • Papain-like protease, a family of cysteine protease enzymes
  • Phantom limb pain, pain felt as from a missing limb
  • Proteolipid protein 1 or proteolipid protein 2, associated with Pelizaeus-Merzbacher disease
  • Pyridoxal phosphate, a coenzyme, the active form of vitamin B<sub>6</sub>

Computing

  • Packet Layer Protocol, a network-layer protocol
  • PL/P, a programming language
  • Physical Layer Pipe (PLPs), specified in the DVB-T2 and ATSC 3.0 broadcasting standards

Politics

  • People's Liberation Party (disambiguation), several political parties
  • Parliamentary Labour Party, a group of British Labour MPs
  • Party for Freedom and Progress, a Belgian liberal political party (1961–1992)
  • People's Life Party, a Japanese political party
  • Pragati Legislature Party, a 1970s political party in Orissa, India
  • Progressive Labour Party (disambiguation), several political parties
  • Progressive Liberal Party, a Bahamian political party

Other uses

  • Premier League Productions
  • PLP Architecture, a London, UK firm
  • Pamantasan ng Lungsod ng Pasig, a university in the Philippines
  • Peace Love & Pitbulls, a Swedish industrial rock band
  • Phoenix Living Poets, Chatto & Windus 1960-1983 books
  • Prosopographisches Lexikon der Palaiologenzeit, a German-language late Byzantine Empire dictionary