PLU can stand for:
- People Like Us (mockumentary), a British mockumentary
- People Like Us (musician), the pseudonym of British musician Vicki Bennett
- Pacific Lutheran University
- the SIL code, a language code, for the Palauan language
- People Like Us, a gay slang denoting homosexual individuals, commonly used in Malaysia and Singapore
- People Like Us (Singapore) (PLU3), the premiere spokesgroup of Singapore's gay intelligentsia
- Price Look-Up, a code number found on fruit and vegetables used to identify produce.
- Poor Law Union, a unit used for local government in the United Kingdom from the 19th century
- Belo Horizonte/Pampulha - Carlos Drummond de Andrade Airport IATA callsign
- Phi Lambda Upsilon Honorary Chemical Society
- Plan Local d`Urbanisme, a French tool for urban planning