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