LBT may refer to:
In government and politics: Local Body Tax, in India
Places: Larbert railway station, Scotland, station code Lötschberg Base Tunnel, a railway tunnel under the Swiss Alps Lumberton Municipal Airport (IATA Airport code: LBT)
In science and technology: Large Binocular Telescope, in Arizona, US Taylorcraft LBT, a U.S. WWII glider aircraft
Other uses: Long Beach Transit, California, US Linuxcare Bootable Toolbox, historical Linux distribution