BB, Bb, or similar, may refer to:
Arts and entertainment BB numbers, in the catalogue of works by Béla Bartók "BB", a chant supporting Big Brother in Nineteen Eighty-Four BB, a 2017 album by Mod Sun BB, a character in Beast Wars II: Super Life-Form Transformers BB, a character in Fate/Extra CCC and Fate/Grand Order Beyond Birthday, a character from the novel Death Note Another Note: The Los Angeles BB Murder Cases Big Brother (franchise), a TV reality competition 1966 Doctor Who serial The War Machines (production code "BB") BB, the protagonist of the Anthology of the Killer series
Businesses and organizations
BB Bloggingsbooks, an imprint of OmniScriptum BB Microlight, a Hungarian aircraft manufacturer Banco do Brasil, a Brazilian financial services company Bavarian Peasants' League (Bayerischer Bauernbund), a former German political party BlackBerry Limited (stock ticker BB), Canadian technology company Borderland Beat, a news blog covering the Mexican drug war Boys' Brigade, a Christian youth organization
People BB, pseudonym of author and artist Denys Watkins-Pitchford BB, monogram of artist Bessie Bamber BB, American rapper and member of CUZZOS B. B. King (1925–2015), American musician and songwriter BB Trickz (Belize Nicolau Kazi, born 2000), Spanish rapper Brigitte Bardot (1934–2025), French actress often referred to by her initials BB Bernard Berenson (1865–1959) art historian, nickname BB Benazir Bhutto (1953–2007), former Pakistani prime minister, nickname BB Bipasha Basu (born 1979), Indian actress, nickname BB
Places BB postcode area, Blackburn, England Barbados (ISO 3166 code BB) .bb, top-level domain for Barbados
Science Bell Beaker culture, an archaeological culture in Europe Branch and bound, a method for solving optimization problems Busy beaver class in computing theory, a type of Turing Machine Beta blocker, medication used to manage arrhythmias
Transportation Air BB Airways, a former Nepalese airline Balair, a defunct Swiss airline, IATA airline code BB Seaborne Airlines, IATA airline code BB
Rail Buckingham Branch Railroad, reporting mark BB, in Virginia, U.S. Bürgenstock Funicular (Bürgenstock-Bahn), a Swiss funicular railway NZR BB class, a New Zealand locomotive class B-B, a classification of AAR wheel arrangement of railway locomotives B (New York City Subway service), known as BB before 1967
Other uses in transportation Ferrari Berlinetta Boxer, an Italian sports car Toyota bB, a car sold in Japan BB, classification of battleships of the United States Navy North Sumatra (vehicle registration prefix BB)
Other uses BB (ammunition), used in a BB gun Base on balls in baseball, commonly known as a walk BB cream, a type of cosmetic
See also
B-flat (disambiguation) (B♭) B&B (disambiguation) Bebe (disambiguation) Beebe (disambiguation) Beebee (disambiguation) Bibi (disambiguation) BBCode, a lightweight markup language Bed and breakfast or B&B, a small lodging establishment Dobol B TV ('Double B TV'), a Philippines news program Les B.B., a Canadian band