PLP

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 B6

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

 * 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