CBL may refer to:

CBC Radio

• CBL-FM, a CBC Radio Two radio station in Toronto, Ontario
• CBLA-FM in Toronto had the call sign CBL for much of the period when it was on the AM band (1937–99)

Sports leagues and associations

• Canadian Baseball League (defunct)
• Canadian Basketball League
• Celebrity Badminton League, an India-based badminton league for celebrities
• China Baseball League, the pre-eminent men's baseball league in China
• Chinese Basketball League, former name of the National Basketball League, a men's semi-professional basketball minor league in China
• Citrus Belt League, a division II high school sports league in Southern California.
• Conference Basketball League, a former men's basketball minor league in New Zealand
• Continental Baseball League
• Continental Basketball League, a men's professional basketball minor league in the United States

Institutions

• Carl Barks Library
• Catholic Benevolent Legion
• Central Bank of Liberia
• Central Bank of Libya
• Chesapeake Biological Laboratory
• Chester Beatty Library
• Conemaugh and Black Lick Railroad, a defunct railroad in Pennsylvania

Science and engineering

• Cannabicyclol, a cannabinoid found in cannabis
• CBL (gene) found in mammals
• Calculator-Based Laboratory, a data-collection and logging system by Texas Instruments
• Common Based Linux
• CBL-Mariner, a free and open source cloud infrastructure operating system based on Linux and developed by Microsoft
• Composite Blocking List
• Computer-based learning
• CBL / Computer Bureau Limited, parent company of Datacom Group
• Convective Boundary Layer, the part of the atmosphere most directly affected by solar heating of the Earth's surface

Other uses

• CBL & Associates Properties
  • CBL, the ticker symbol for CBL & Associates Properties
• Cambuslang railway station, a UK railway station
• Carbon Based Lifeforms, a Swedish electronic music duo
• Cement bond log
• Cerebellum
• Challenge-based learning
• Choice-based lettings (see Public Housing#United Kingdom)
• Clare Boothe Luce
• Confidence-based learning
• Controlled buoyant lift, an underwater diver-rescue technique used in recreational scuba diving
• Cross-body lead, a dance move
• Cross-border leasing

This disambiguation page lists articles associated with the title CBL.
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