BCL may stand for:

Language The Central Bikol language, according to ISO 639-3

Law & politics Bachelor of Civil Law, the term used to describe a variety of legal degrees offered by universities in English-speaking countries (as distinct from Canon Law and Common Law) Bangladesh Chhatra League, the student wing of Bangladesh Awami League British Common Law, the legal system, developed in England after the Norman Conquest in 1066, used by approximately one third of the global population.

Logic Binary combinatory logic

People Bunga Citra Lestari, Indonesian actress and singer

Science Members of the Bcl-2 family, a group of related proteins involved in apoptosis, particularly bcl-2

Sports Baltimore Catholic League Bangladesh Championship League, 2nd tier of Bangladesh football league system Bangladesh Cricket League, an annual four-team first-class cricket competition in Bangladesh Bay Counties League, part of the Bay Area Conference Baseball Challenge League Baseball Champions League Americas Baseball Champions League Europe Basketball Champions League, along with the EuroCup, it is one of the two secondary professional European-wide club basketball competitions Boston City League, a high school athletic conference in Massachusetts, United States

Technology Base Class Library, a computer programming standard library which forms a fundamental part of the Standard Libraries of the Common Language Infrastructure

Transport Barra del Colorado Airport in Barra del Colorado, Costa Rica Bencoolen MRT station in Singapore (MRT station abbreviation) Big Circle Line in Moscow, Russian Federation

Other uses the ISO 639-3 code for the Central Bikol language Bass clarinet Belfast Central Library Birmingham Central Library British Cellophane Limited Broadcast Communications Limited (New Zealand), now Kordia BCL Limited, formerly Bamangwato Concessions Limited, a mining company in Botswana "B.C.L. RED", a designation of the fictional superhero Soldier Boy in the television series The Boys