BCL is an abbreviation for:
- Bachelor of Civil Law, an academic degree
- Baltic Container Line
- Baltimore Catholic League
- Bangladesh Chhatra League, the student organization of the Bangladesh Awami League.
- Banque centrale du Luxembourg, the Luxembourg Central Bank, a member of the euro system.
- Barix Control Language, a variant of BASIC of Barix AG.
- Barra del Colorado Airport in Barra del Colorado, Costa Rica
- Base Class Library, a class library in Microsoft. NET Framework.
- Bass Clarinet
- Bay Counties West Bay Counties League -West ( BCL West)
- Bay Counties League East (BCL East)