PLU or Plu may refer to:

• Pacific Lutheran University
• People Like Us (Singapore), a gay equality lobby group in Singapore
• Phi Lambda Upsilon, an honorary chemical society
• Poor law union, in the United Kingdom and Ireland
• United Liberal Party (Chile) (Spanish: Partido Liberal Unido), a former political party in Chile

• Benjamin Plu (born 1994), French wide receiver
• People Like Us (musician), stage name of Vicki Bennett

• Carlos Drummond de Andrade Airport, IATA callsign
• Pierce County Airport, Washington, US, FAA LID
• Plumstead railway station, London, National Rail station code

• PLU (control code), a C1 control code, in character encoding
• Palikúr language of Brazil/French Guiana (ISO 639-3 language code: plu)
• Plew, Missouri, United States (also spelled Plu), an unincorporated community in Lawrence County
• Price look-up code, in supermarkets etc.

• Plus (disambiguation)