BLE or Ble may refer to:

Ble (band), a pop-rock band from Greece Ble., a trade abbreviation for Bletilla, an orchid genus Bluetooth Low Energy, a wireless personal area network technology Ble, another name for Az Zibar, a small town in the Kurdistan Region of Iraq

Transport Air Borlänge Airport, in Dalarna, Sweden, by IATA code Blue Line (airline), based in Paris, France, by ICAO code

Rail Bessemer and Lake Erie Railroad, in the United States by reporting mark Bramley (West Yorkshire) railway station, in Leeds, England, by National Rail code Brotherhood of Locomotive Engineers, a railway labor union in the United States Braunschweigische Landes-Eisenbahn-Gesellschaft, the German name of the Brunswick State Railway Company