BLF
# BLF

BLF may refer to:

* Bangladesh Liberation Front, also called Mujib Bahini
* Baluch Liberation Front
* Billboard Liberation Front
* Biographical Dictionary of Finland abbreviated BLF in Swedish from Biografiskt lexikon för Finland
* British Lung Foundation
* Brotherhood of Locomotive Firemen, forerunner of the Brotherhood of Locomotive Firemen and Enginemen in North America
* Bruce Lee Foundation
* Builders Labourers Federation in Australia
* Mercer County Airport (West Virginia); IATA airport code BLF
* Buol language of Indonesia (ISO code: blf)
* Black First Land First a pan-Africanist and revolutionary socialist political party in South Africa
* Blf, short for "Bluff"; a Street suffix as used in the US
