LEB may refer to:
- Liga Española de Baloncesto, Spanish basketball league
- The FAA identifier for Lebanon Municipal Airport (New Hampshire)
- London Electricity Board, the public utility company responsible for electricity in the London area prior to privatisation in 1990
- Life expectancy at birth
- The Lexham English Bible Translation, freely licensed by Logos Bible Software.
- Lausanne–Echallens–Bercher railway, a Swiss railway.
Leb may refer to:
- Lebanese Australian (mildly derogatory slang)