BBL may refer to:
Banks
- Bank Bruxelles Lambert, a Belgian bank, now merged into ING Group
- Bangkok Bank, a Thai commercial bank (Stock symbol: BBL)
Science and nature
- Benthic boundary layer
- Bird Banding Laboratory
Sports and pastimes
- Big Bash League, an Australian Twenty20 cricket tournament
- Baltic Basketball League
- Basketball Bundesliga
- British Basketball League
- Budweiser Basketball League, in which the BBL Championship was known as from 1993 to 1999
- British Bridge League
Other
- British Brothers League, an anti-immigration organisation, 1901-1923
- BBL Pipeline from the Netherlands to England
- Borough, Block and Lot, New York City real estate identifier
- Bangsamoro Basic Law
bbl can refer to:
- abbreviation for a barrel (unit)
- abbreviation for automotive carburetor barrels
- filename extension produced by BibTeX