TRE
- Alex Britti
- Boyz n the Hood
- Christian De Sica
- Intermittent fasting
- Nikola Tre
- TRE (computing)
- Tampere
- Telecommunications Research Establishment
- Tempore Regis Eduardi
- Teresa De Sio
- Texas Reliability Entity
- Theologische Realenzyklopädie
- Three (disambiguation)
- Tiree Airport
- Tre (given name)
- Tre (instrument)
- Tre recombinase
- Tre- (place name element)
- Trenton Transit Center
- Trey (disambiguation)
- Tribunal Regional Eleitoral
- Trinity Railway Express
- Tré, Benin
- ¡Tré!