| Acronym | Definition |
|---|
| CCL | CAC (Common Access Card) Cryptographic Logon |
| CCL | Carnival Cruise Lines |
| CCL | Climate Change Levy |
| CCL | Common Command Language |
| CCL | Creative Commons License |
| CCL | Couple-to-Couple League (for Natural Family Planning) |
| CCL | Contaminant Candidate List (United States) |
| CCL | Center for Connected Learning |
| CCL | Commission Canadienne du Lait (Canadian Dairy Commission) |
| CCL | Computational Chemistry List |
| CCl | Commission for Climatology (WMO) |
| CCL | Chemokine C-C Motif Ligand |
| CCL | Centre Culturel Libertaire (French: Libertarian Cultural Center) |
| CCL | Commonwealth Countries’ League (UK) |
| CCL | Central Coalfields Limited (India) |
| CCL | Commodity Control List |
| CCL | Carrier Common Line (telecom) |
| CCL | Cross Campus Library (Yale) |
| CCL | Canadian Children's Literature |
| CCL | Cambridge Consultants Ltd |
| CCL | Communication Certification Laboratory |
| CCL | Concealed Carry License (concealed weapon permit) |
| CCL | Cardiac Catheterization Laboratory |
| CCL | Crazy Cat Lady (Internet slang) |
| CCL | Canine Cruciate Ligament |
| CCL | Centre de Conservation du Livre (French: Center for Book Conservation) |
| CCL | Community College League |
| CCL | Comptoir Commercial du Languedoc (French trading post) |
| CCL | Center for Constitutional Litigation |
| CCL | Connection Control Language |
| CCL | Comité de Coopération avec le Laos (French: Committee for Cooperation with Laos) |
| CCL | Coupled Cavity Linac |
| CCL | Church Copyright Licence |
| CCL | Communauté de Communes de Lacq (French: Lacq Community of Communes; Lacq, France) |
| CCL | Common Carrier Line |
| CCL | Cyber Control Language |
| CCL | Construction Completion List (EPA) |
| CCL | Command Control Language |
| CCL | Communauté du Christ Libérateur (French: Liberator Community of Christ; Belgium) |
| CCL | Cataract, Coppock-Like |
| CCL | Centre Culture et Loisirs (French: Culture and Leisure Centre) |
| CCL | Combat Configured Load |
| CCL | Communications Control Language |
| CCL | Casing-Collar Log (Drilling Industry) |
| CCL | Concentric Canister Launcher |
| CCL | Calling Party Clear Signal |
| CCL | Contamination Control Line |
| CCL | Comptoir Commercial des Lubrifiants (French commercial lubricant manufacturer) |
| CCL | Charpente Couverture Lucien (French carpentry company) |
| CCL | Communauté de Communes du Lunevillois (French: Lunévillois Community of Communes; Lunéville, France) |
| CCL | Closed Circuit Loop |
| CCL | Conseil de Concertation Locative (French: Housing Collaborative Council) |
| CCL | Continuous Communications Link |
| CCL | Circuit Consultants Ltd (UK) |
| CCL | Costa Container Lines SpA |
| CCL | Closed Conference Loop |
| CCL | Configuration Control Logic (NASA) |
| CCL | Contracts Consultancy Ltd (UK) |
| CCL | communications/computer link (US DoD) |
| CCL | Center for Creative Learning, Inc (St. Louis, Missouri) |
| CCL | Clu Clu Land (video game) |
| CCL | Commonality Candidate List (NASA) |
| CCL | Communauté de Communes du Laragnais (French: Laragne Community of Communes; Laragne, France) |
| CCL | Communauté de Communes du Libournais (French: Libourne Community of Communes; Libourne, France) |
| CCl | Continental Celtic (linguistics) |
| CCL | Centre Culturel de Luminy (French: Luminy Cultural Center) |
| CCL | Comptoir Central des Lampes (French: Desk Lamp Central) |
| CCL | Close Combat Light |
| CCL | Candidate Code List |
| CCL | Clan Co-Leader (gaming) |
| CCL | Carrefour Culture et Loisirs (French: Crossroads Culture and Leisure) |
| CCL | Clarence Cook Little Building (University of Michigan) |
| CCL | Coating and Chemical Lab |
| CCL | Color Calibrated Laser (color proofing, printing industry) |
| CCL | Control Center Language |
| CCL | Cascaded Control Loop |
| CCL | Concassage Criblage Logistique (French: Crushing Screening Logistics; Belgium) |
| CCL | Capacitor Coupled Logic |
| CCL | Catholic Council of Lesotho |
| CCL | Century Consultants Ltd |
| CCL | Central CO2 Laboratory |
| CCL | Cable Coupling Link |
| CCL | Control Code Locator |
| CCL | Central Configuration Lab |
| CCL | Command Center Laboratory |
| CCL | Critical Components List |
| CCL | Custom Certification Laboratory |
| CCL | Cookbook Collector's Library (publishing house) |
| CCL | Cognition, Comportements, Langage (French: Cognition, Behavior, Language) |
| CCL | Concurrent Common LISP |
| CCL | Channel Carrying Last |
| CCL | Citizens Climate Lobby |
| CCL | Command and Control Laboratory (US DoD) |
| CCL | Configuration Control Letter |
| CCL | Coursing Club Lorrain (French dog club) |
| CCL | Cognition Consulting Ltd (New Zealand) |
| CCL | Club Canin de Landivisiau (French: Landivisiau Kennel Club; Landivisiau, France) |
| CCL | Concept Cars Ltd. (Mauritius) |
| CCL | Club Canin de Luçon (French: Luçon Kennel Club; Luçon, France) |
| CCL | Cell Coverage Layer (telecommunications) |
| CCL | Coosal's Concrete Limited (Trinidad and Tobago) |
| CCL | Cold Chain & Logistics (vaccines; various organizations) |
| CCL | Child Care Licensing |
| CCL | Certificate of Completion (various schools) |
| CCL | Commerce Control List |
| CCL | Couldn't Care Less |
| CCL | Customer Care Line (various organizations) |
| CCL | Copper Clad Laminate (printed circuits) |
| CCL | Code of Canon Law (Christianity) |
| CCL | Center for Creative Leadership |