PLU or Plu may refer to:
Organizations
- 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
People
- Benjamin Plu (born 1994), French wide receiver
- People Like Us (musician), stage name of Vicki Bennett
Transport
- Carlos Drummond de Andrade Airport, IATA callsign
- Pierce County Airport, Washington, US, FAA LID
- Plumstead railway station, London, National Rail station code
Other
- PLU (control code), a C1 control code
- Palikúr language (ISO 639-3 language code plu)
- Plew, Missouri (also spelled Plu), an unincorporated community in Lawrence County
- Price look-up code