BF

BF may refer to:

People

• Best friend, in internet slang
• Boyfriend, a male romantic or sexual partner
• Bayani Fernando (born 1946), Filipino politician

Places

• BF Homes Parañaque, a subdivision in the Philippines
• Bahamas (LOC MARC, obsolete NATO and FIPS country code BF)
• Baitul Futuh, a mosque in London
• Beaver Falls, Pennsylvania, a city in western Pennsylvania
• Bonners Ferry, Idaho, a town in Idaho, United States
• Burkina Faso (ISO 3166-1 alpha-2 country code BF)
  • .bf, the ccTLD for Burkina Faso

Businesses and organizations

• Bibliotekarforbundet, the Danish Union of Librarians
• Bluebird Cargo (IATA airline designator BF)
• Border Force, a law-enforcement structure in the United Kingdom
• British Fascists, a fascist organisation from the 1920s

Science and technology

• BF (protein), an initialism for B factor, a triggering protein of the alternative pathway of complement activation
• Bellman–Ford algorithm, a graph and tree search algorithm
• Blast furnace, a type of metallurgical furnace
• Board foot, a unit of measure of lumber
• Big Falcon Rocket, precursor of SpaceX Starship
• Boron monofluoride (BF), a chemical compound
• Brainfuck, a programming language

Other uses

• Batters faced, a baseball statistic
• BattleForge, a real-time strategy game produced by Electronic Arts
• Battlefront, a contested armed frontier between opposing forces
• Bigfoot, a mythological ape-like creature
• Bongo Frontier, a pickup truck built by Kia Motors
• Breastfeeding
• Blue film, or Pornographic film