BRB
- BRB (Residuary) Limited
- BRB Internacional
- Banco de Brasília
- Bank of the Republic of Burundi
- Barbados
- Barreirinhas Airport
- Bayerische Oberlandbahn
- Benefits Review Board
- Beta Ray Bill
- Beveled rim bowl
- Bibliothèque royale de Belgique
- Big red button
- Birmingham Royal Ballet
- Blaire Reinhard Band
- Blood-retinal barrier
- Brandenburg an der Havel
- Brazos River Bottom
- Brienz Rothorn Bahn
- Brigade de répression du banditisme
- British Railways Board
- Britton-Robinson buffer
- Buckling restrained brace
- CiCi (EP)
- Cosmic (album)
- Internet slang
- Transdev Germany