BBS may refer to:
* Bulletin board system, a computer that allows users to dial into the system over a phone line
* Bankenes Betalingssentral, a Norwegian bank clearing company
* Barcelona Business School, an institution for international higher education in Barcelona, Spain
* Bardet-Biedl syndrome, a genetic disorder
* Baton Broadcasting System, a Canadian system of television stations located in Ontario and Saskatchewan broadcasted from 1994 - 1997, owned by Baton Broadcasting.
* BBS Kraftfahrzeugtechnik AG, a high-performance automobile wheel manufacturer
* Behavioral and Brain Sciences, a peer-reviewed journal
* Bhutan Broadcasting Service, the national radio and television service in Bhutan
* Blackbushe Airport, the IATA airport code
* Blum Blum Shub, a pseudorandom number generator
* Breeding Bird Survey, which monitors the status and trends of bird populations.
* Brittle Bone Society, a British medical research charity
* Bronze Bauhinia Star, Hong Kong honour
* Brussels Business School, an institution for international higher education in Brussels, Belgium
I guessed #1 (round of applause)
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