BLC
- AbleLight
- B lymphocyte chemoattractant
- BLC Leather Technology Centre
- Bachelor of Canon Law
- Basic Leader Course
- Belo Corporation
- Bethany Lutheran College
- Big League Chew
- Binary lambda calculus
- Bloodline Champions
- Boston Library Consortium
- Boundary layer control
- Brant Lake Camp
- Brasil Central Linhas Aéreas
- Breakthrough Listen
- Nuxalk language
- × Brassolaeliocattleya