| Acronym | Definition |
|---|
| CL | Class |
| CL | Chile (country code, top level domain) |
| CL | Champions' League (Union of European Football Associations) |
| CL | CAS (Column Address Strobe) Latency |
| CL | Close(d) |
| CL | Claim |
| CL | Color |
| CL | Clearance |
| CL | Classification |
| CL | Closer (baseball pitcher) |
| CL | Clinic |
| CL | Contact Lens |
| CL | Craig's List (online community) |
| CL | Common LISP |
| CL | Cluster |
| CL | Control Language |
| CL | Cloth |
| CL | Clause |
| CL | Circular Letter |
| CL | Light Cruiser (Cruiser-Light) |
| CL | Chlorine |
| Cl | Celtic (linguistics) |
| CL | Closet |
| CL | Computational Linguistics |
| CL | Common Law |
| CL | Central Locking |
| CL | Consumer Lab |
| CL | Closed Loop |
| CL | Clarinet |
| CL | Command Language |
| CL | Creative Loafing (Charlotte, NC weekly publication) |
| CL | Caltanissetta (Sicilia, Italy) |
| CL | Components List |
| CL | Colgate-Palmolive (stock symbol) |
| CL | Cooperative Learning |
| CL | Chinese Language |
| CL | Chain Link (Fence) |
| CL | Check List |
| CL | Copyleft (license) |
| CL | Computer Lab |
| CL | Clarion-Ledger (Jackson, MS newspaper) |
| CL | Chemical Element |
| CL | Centerline |
| CL | Control Logic |
| CL | Californian (rabbit breed) |
| CL | County Library |
| CL | Courtney Love (musician) |
| CL | Civil Law |
| CL | Confidence Level |
| CL | Confidence Limit |
| CL | City of London |
| CL | Controlled Load |
| CL | Code: Lyoko (cartoon) |
| CL | Collaborator |
| CL | County Line |
| CL | Caps Lock |
| CL | Character Limit |
| CL | Chicken Little |
| CL | Current Liabilities |
| CL | Corpus Luteum |
| CL | Connectionless |
| CL | Child Labour |
| CL | Customer Loyalty |
| CL | Cathodoluminescence |
| CL | Credit Lyonnais (French Bank) |
| CL | Compatibility List |
| CL | Corpus Linguistics (Conference) |
| CL | Computing Laboratory |
| CL | Code Lyoko (French TV cartoon) |
| CL | Carload |
| CL | CableLabs (Cable Television Laboratories, Inc.) |
| CL | Current Limiting |
| CL | Centiliter |
| CL | Comunione e Liberazione (Italian: Communion and Liberation; Catholic movement founded in 1954) |
| CL | Cyber Law |
| CL | Cutaneous Leishmaniasis |
| CL | Current Loop (electronics) |
| CL | Candidate List |
| CL | County Law |
| CL | Contacts List |
| CL | Continuous Learning |
| CL | Central League (Japanese baseball) |
| CL | Control Limit |
| CL | Chaos Legion (video game) |
| CL | Competent Leader (Toastmasters) |
| CL | Current Limiter |
| CL | Chain Lightning (gaming) |
| CL | Crew Leader |
| CL | Cable Link |
| CL | Central Luzon (Philippines) |
| CL | Container Load (shipping) |
| CL | Clear Liquids |
| CL | Clan Leader (gaming) |
| CL | Contract Labor |
| CL | Customs Law |
| CL | Cine Latino (Mexico) |
| CL | Col Legno (string instrument technique) |
| CL | Chapter Leader |
| CL | Crimson Land (game) |
| CL | Cathedral of Learning (University of Pittsburgh) |
| CL | Combat Log (gaming) |
| CL | Cactus League (baseball) |
| CL | Compliance Level |
| CL | Chemical Laser |
| CL | Course Line |
| CL | Carrier Landing |
| CL | Common Light |
| CL | Court Leave |
| CL | Chess Life (journal) |
| CL | Coefficient of Lift |
| CL | Continuous Load |
| CL | Control Loading |
| CL | Center of Lift |
| CL | Casual Leave (India) |
| CL | Conversion Loss |
| CL | Combat Load |
| CL | Centre for Limnology (Nieuwersluis, Utrecht, The Netherlands) |
| CL | Coolant Loop |
| CL | Copper Loss |
| CL | Cable Lug |
| CL | Chat Life |
| CL | Fraternity of Communion and Liberation |
| CL | Client Logic (BPO Company) |
| CL | Compensatory Leave |
| CL | Catalunya Lliure |
| CL | Coordination Level |
| CL | Cecile Licad (classical pianist) |
| CL | Coordination Line |
| CL | Chronic Liar |
| CL | Configured Load |
| CL | Capabilities Select |
| CL | Contract Linguist (US government) |
| CL | Capture Latch |
| CL | Chivalry Legions (gaming clan, Runescape) |
| CL | Cued Language |
| CL | Contractor Leased |
| CL | Confrontation Line |
| CL | Clobber Hand (gaming; Mega Man) |
| CL | Lift Co-Efficient (aircraft) |
| CL | Combinator Logic |
| CL | Certificate in Logistics |
| CL | Caritas Lebanon (Catholic charity) |
| CL | Air Post Semi-Official (Scott Catalogue prefix; philately) |
| CL | CodeLeakers (gaming forum) |
| CL | Closed Loop Control Logic |
| CL | City and County Library |
| CL | Commonality List (NASA) |
| CL | Compartmentalized Level |
| CL | Clanless Losers (Counter-Strike clan) |
| CL | Clear Job Indicator |
| CL | Clay, Low Compressibility (LL < 50) |
| CL | Class Complexity/Size Due to Local Methods |
| CL | Cheerlead/Cheerleading/Cheerleader |
| CL | Controlled Iteration Last Pass |
| CL | Caprolactone |
| CL | Classified Loan (finance) |
| CL | Cliff Lee (baseball player) |