2U
2U stands for:
- 2U (band) , participant for Norway in the Junior Eurovision Song Contest 2003
- 2U (song) , a 2017 song by David Guetta and Justin Bieber
- Adler Favorit 2U, type of a passenger car from 1929
- AtlasGlobal , former IATA code (now KK), Turkish airline
- Karat (airline) , former IATA code (now V2), Russian airline
- Sun d'Or , IATA code, Israeli airline
- training equipment for artillery systems, see GRAU index # 2 - Artillery weapons and missile systems of the land forces