BJ or B. J. may refer to:
Björk Guðmundsdóttir (Icelandic pronunciation: [ˈpjœr̥k ˈkvʏðmʏntsˌtouhtɪr], born 21 November 1965), known as Björk (/ˈbjɜːrk/), is an Icelandic singer, songwriter, producer, DJ, and actress.
Björn Rune Borg (Swedish pronunciation: [bjœːɳ bɔrj]; born 6 June 1956) is a Swedish former world No. 1 tennis player widely considered to be one of the greatest in tennis history.
The Icelandic singer Björk made her first public appearance in 1976 on Radio One, an Icelandic radio station, singing "I Love to Love".
Bjarke Bundgaard Ingels (Danish pronunciation: [ˈb̥jɑːg̊ə ˈb̥ɔng̊ɒːˀ ˈeŋˀl̩s]; born 2 October 1974) is a Danish architect.
Bryan James Sledge, better known by his stage name BJ the Chicago Kid (or simply BJ), is an American singer and songwriter from Chicago, Illinois.
Björn Kristian Ulvaeus (born 25 April 1945; credited as Björn Ulvæus) is a Swedish songwriter, producer, a former member of the Swedish musical group ABBA (1972–1982), and co-composer of the musicals Chess, Kristina från Duvemåla, and Mamma Mia!.
Bjørn Lomborg (Danish: [bjɶɐ̯n ˈlʌmbɒˀw]; born 6 January 1965) is a Danish author and adjunct professor at the Copenhagen Business School as well as President of the Copenhagen Consensus Center.
Bjørnstjerne Martinius Bjørnson (Norwegian pronunciation: [ˈbjøːɳˈstjæːɳə ˈbjøːɳˈsɔn]; 8 December 1832 – 26 April 1910) was a Norwegian writer who received the 1903 Nobel Prize in Literature "as a tribute to his noble, magnificent and versatile poetry, which has always been distinguished by both the freshness of its inspiration and the rare purity of its spirit", becoming the first Norwegian Nobel laureate.
Björn Bergmann Sigurðarson (born 26 February 1991) is an Icelandic international footballer who plays as a forward for Tippeligaen club Molde.