BJ or B. J. may refer to:
Businesses and organizations BJ Services Company, an oil and gas equipment and services company that is now a subsidiary of Baker Hughes BJ's Restaurant & Brewery, an American restaurant chain BJ's Wholesale Club, an American membership-only warehouse club chain B. J. Medical College, Pune, India Ben & Jerry's, an ice cream company Bergslagernas Järnvägar, a private railroad company of Sweden Toronto Blue Jays, a professional baseball team Booster Juice, a Canadian chain of juice and smoothie bars Nouvelair (IATA airline code)
People B. J. (given name), people with the given name Boris Johnson (born 1964), former British prime minister Billy Joel, American singer-songwriter and pianist Brandon Johnson, 57th Mayor of Chicago
Fictional characters B.J., a dinosaur character from the children's television program Barney & Friends BJ Birdie, former mascot for the Toronto Blue Jays baseball team B. J. Hunnicutt, a fictional doctor on the TV show M*A*S*H B. J. Jones, a character on the ABC soap opera General Hospital BJ Smith, a character in the video game Grand Theft Auto: Vice City B.J. Walker, a character on the American soap opera Santa Barbara William "B.J." Blazkowicz, the protagonist of the video game series Wolfenstein Billy Joe "B. J." McKay, the protagonist of the TV show B. J. and the Bear
Places Beijing, China (Guobiao abbreviation BJ) Benin, WMO and ISO 2-letter country code .bj, domain name ccTLD for Benin Burton Joyce, a village in Nottinghamshire
Sport and competition Back Judge, an official in American football Beitar Jerusalem F.C., an Israeli football club Bj league, a Japanese professional basketball league Blackjack, a casino card game
Other uses Bachelor of Journalism, an academic degree Broadcast jockey, the Korean term for a streamer Beijing (locomotive) Biochemical Journal Blow job, sexual slang for fellatio Ball joint, a part found in automobile suspension Bubble Jet, a Canon Inc. printer trademark Station code for Bojonegoro railway station, East Java, Indonesia