Bleu
bleu or BLEU may refer to:
- the French word for blue
- Three Colors: Blue, a 1993 movie
- Bilingual Evaluation Understudy, a machine translation evaluation metric
- Belgium–Luxembourg Economic Union
- Bleu (musician) (born 1975 as William James McAuley III), a member of pop-group L.E.O.
- Blue cheese, a type of cheese
- Deis, a character from the Breath of Fire games who is known as "Bleu" in the English versions
- Corbin Bleu (born 1989 as Corbin Bleu Reivers), an American actor, model, dancer and vocalist
- Parti bleu, 19th century political group in Quebec, Canada
- Blended Low Enrichment Uranium, a type of fuel for nuclear fission reactors