BLF
BLF stands for:
- Ludwigsfelde station (DS100 code), station in the state of Brandenburg
- Bavarian State Association for Family Studies
- Mountain fire engine , old name for a fire fighting vehicle
- Mountain fire truck, all-terrain fire engine of the Austrian fire brigades
- Busy lamp field , function on telephones to see the busy status of other subscribers
- Special performance assessment , examination at grammar schools in Thuringia, Hesse and Saxony
- Bilinear form in mathematics
- Black First Land First , South African group
- Blue1 (ICAO code), Finnish airline
- Mercer County Airport (West Virginia) (IATA code), Mercer County Airport (West Virginia) , West Virginia
blf stands for:
- Buol (language) (ISO-639-3 code), Filipino language spoken in Gorontalo and central Sulawesi