CCL
- CAF Champions League
- CC chemokine ligand
- CCL Industries
- CONCACAF Champions League
- Cable Consortium of Liberia
- California Collegiate League
- Canadian Congress of Labour
- Caribbean Congress of Labour
- Carnival Cruise Line
- Catholic Central League
- Celebrity Cricket League
- Center for Civil Liberties (human rights organization)
- Central Coalfields
- Cerner CCL
- Chatham County Line
- Chicago Catholic League
- China Chess League
- Chinchilla Airport
- Christ College of Law
- ChristChurch London
- Christchurch City Libraries
- Christian Copyright Licensing International
- Chung Chi College Elisabeth Luce Moore Library
- Circle Line (Singapore)
- Citizens' Climate Lobby
- Citrus Coast League
- Climate Change Levy
- Clozure CL
- Coastal Canyon League
- Code of Canon Law (disambiguation)
- Collegiate Champions League
- Colorado Cricket League
- Combined Counties Football League
- Commerce Control List
- Commonwealth Countries League
- Communications Controller for Linux
- Computational Chemistry List
- Concealed Carry License
- Concise Command Language
- Conjugacy class
- Connected Component Labeling
- Contaminant candidate list
- Convective condensation level
- Copper-clad laminates
- Corneal collagen cross-linking
- Couple to Couple League
- Creative Commons License
- Cross Campus Library
- Roman numerals