BB

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 BB, production code for 1966 Doctor Who serial The War Machines BB, the protagonist of the Anthology of the Killer series