BJ

BJ may refer to:

; Abbreviation
* Bachelor of Journalism
* Beijing
* Beijing (locomotive)
* Benin, WMO and ISO 2-letter country code
* .bj, domain name ccTLD for Benin
* "Biochemical Journal"
* Blowjob
* Bon Jovi
* Bubble Jet, Canon Inc. printer trademark
* Blue Jay

; Organisations
* BJ's Wholesale Club
* BJ Services Company
* BJ's Restaurant & Brewery
* Nouvelair, IATA code
* Bergslagernas Järnvägar
* B. J. Medical College, Pune

; Sport
* Back Judge, an official in American Football
* Beitar Jerusalem F.C. soccer club
* Bj league, the Japanese professional basketball league
* Blackjack, a popular casino card game

; Media
* "B. J. and the Bear", a television program
* "BJ In The Morning", the morning radio show on 106.7 Z-Rock (KRQR) in Northern California
* "The BJ Shea Morning Experience", a morning drive time radio show on 99.9 FM KISW in Seattle, Washington

; People
* B. J. Armstrong (b. 1967), a retired American professional basketball player
* B. J. Askew (b. 1980), an American football fullback for the Tampa Bay Buccaneers of the NFL
* B. J. Averell (b. 1979), an American online tutor and reality television contestant
* BJ Botha (b. 1980), a South African rugby union player
* B. J. Cohen (b. 1975), an American football offensive lineman/defensive lineman
* B. J. Cole (b. 1946), an English pedal steel guitarist famous for playing in the band Cochise
* B.J. Crombeen (b. 1985), a Canadian professional ice hockey player
* BJ Cruz (b. 1951), an American judge and politician from Guam
* B. J. Daniels, an American author of contemporary romance novels
* B. J. Flores (b. 1979), a Mexican American professional boxer
* B. J. Fogg, an American behavioral psychologist
* BJ Gallagher, a speaker and author
* B. J. Gallis (b. 1975), a former football linebacker in the Canadian Football League
* B. J. Habibie (b. 1936), the third President of Indonesia, holding office from 1998 to 1999
* B. J. Kennedy (1921-2003), an American physician
* B. J. LaMura (b. 1981), an American baseball player
* B.J. Lawson (b. 1974), an American politician
* B. J. Leiderman (b. 1956), an American composer and songwriter
* BJ McKie (b. 1977), an American basketball player
* B. J. Nilsen (b. 1975), a Swedish sound artist
* B. J. Novak (b. 1979), an American comedian and writer
* B. J. Oliphant (b. 1929), pseudonym for Sheri Stewart Tepper, an American author
* B. J. Palmer (1881 - 1961), a pioneer of Chiropractic
* B. J. Panda, an Indian politician
* B. J. Penn (b. 1978), an American mixed martial arts fighter
* B. J. Porter (b. 1971), an American actor
* B.J. Rowley, an American author
* B. J. Ryan (b. 1975), an American baseball player
* B. J. Sams (American football) (b. 1980), an American football player
* B. J. Sams (television) (b. 1935), an American news anchor for "Today's THV This Morning"
* B. J. Sander (b. 1980), an American football player
* BJ Snowden, an American singer, songwriter and performer
* B. J. Surhoff (b. 196400, an American baseball player
* B. J. Symons (b. 1980), an American football player
* B. J. Thomas (b. 1942), an American singer
* B. J. Tucker (b. 1980), an American football player
* B. J. Tyler (b. 1971), an American former professional basketball player
* B. J. Upton (b. 1984), an American baseball player
* B. J. Vorster (1915 - 1983), former Prime Minister and President of South Africa
* B. J. Ward (actress), an American actress
* B. J. Ward (American football) (b. 1981), an American football player
* BJ Ward (poet) (b. 1967), an American poet
* B.J. Whitmer (b. 1978), an American professional wrestler
* B. J. Wilson (1947 - 1990), an English drummer for the band Procol Harum
* B.J. Wuollet (b. 1976), an American musician
* B. J. Young (1977 – 2005), a professional ice hockey right player
* Billie Joe Armstrong (b. 1972), lead singer for Green Day

; Fictional characters
* B.J. (dinosaur) a character from the children's television program "Barney & Friends"
* BJ Birdie, former mascot for the Toronto Blue Jays baseball team
* B. J. Harrison, a character from the movie "The Godfather Part III"
* B. J. Hunnicutt, a fictional doctor played by Mike Farrell on the TV show "M*A*S*H"
* B. J. Jones, a character played by actress Brighton Hertford on the ABC soap opera "General Hospital"
* BJ Smith, a character in 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 video game series "Wolfenstein 3D"