| Acronym | Definition |
|---|
| CFL | Canadian Football League |
| CFL | Compact Fluorescent Lamp |
| CFL | Comité des Finances Locales (French: Local Finance Committee) |
| CFL | Compact Fluorescent Light/bulb |
| CFL | Central Federal Lands |
| CFL | Collaborative Family Law |
| CFL | Context Free Language |
| CFL | Children, Families and Learning |
| CFL | Courant-Friedrichs-Lewy (mathematics) |
| CFL | Calcaneofibular Ligament (physiology) |
| CFL | Centre de Foresterie des Laurentides (French: Laurentian Forestry Center; Canada) |
| CFL | Center for Literacy |
| CFL | Champions for Life |
| CFL | Catholic Forensic League |
| CFL | Coordinated Fire Line |
| CFL | Christ for Life |
| CFL | Cleared Flight Level (air navigation) |
| CFL | Coefficient de Frottement Longitudinal (French: Longitudinal Friction Coefficient; road adhesion indicator) |
| CFL | Choppers for Life |
| CFL | Ceasefire Line |
| CFL | Chemin de Fer Luxembourgeois |
| CFL | Calibrated Focal Length |
| CFL | Canadian Federation of Labour |
| CFL | Club Francais du Livre (French Book Club) |
| CFL | Société Nationale des Chemins de Fer Luxemburgeois (Luxembourg National Railway Company) |
| CFL | Capacitated Facility Location |
| CFL | Contingency Planning Facilities List (US DoD) |
| CFL | Courant-Friedrich-Levy Condition (constraint on solving FDTD equations) |
| CFL | Consolidated Fisheries Ltd |
| CFL | Critical Field Length |
| CFL | Chinese Federation of Labor (Taiwan) |
| CFL | Cercle Félin du Languedoc (French cat club) |
| CFL | Centre de Formation en Langues (French: Language Training Center; various universities) |
| CFL | Confidential Frequency List (publication) |
| CFL | Commission on Filipino Language |
| CFL | Community Foundation of the Lowcountry (also seen as CFLC) |
| CFL | Command File Language |
| CFL | Consequence of Failure Level |
| CFL | Ceylon Federation of Labor |
| CFL | Committee for a Free Latvia |
| CFL | Christian Family Living/Life |
| CFL | Computer Forensics Laboratory |
| CFL | Committee for a Free Lithuania |
| CFL | Customer Final Label (UK mailing bag label) |
| CFL | Close Focus Lens |
| CFL | Constant Feed Lubricator |
| CFL | Committee on Federal Laboratories |
| CFL | Cold Flush |
| CFL | Cold Flow Laboratory |
| CFL | Custom Function Library |
| CFL | Captain/Colonel for Life (military slang for someone who is unlikely to be promoted) |
| CFL | Commission Fédérale du Logement (French: Federal Housing Commission; Switzerland) |
| CFL | Cadet Flight Leader |
| CFL | Central Forensic Laboratory (India) |
| CFL | Cathode Fluorescent Lamp |
| CFL | Call Failure (Signal) |
| CFL | Campaign for Liberty |
| CFL | Central Florida |
| CFL | California Federation of Labor |
| CFL | Continental Football League |
| CFL | Crossing the Finish Line (various organizations) |
| CFL | College Football Line (sports betting) |
| CFL | Claim for Loss |