| Acronym | Definition |
|---|
| CSL | Coordinated Science Laboratory |
| CSL | California State Library |
| CSL | Console |
| CSL | Community Service Learning (various locations) |
| CSL | Computer Science Logic |
| CSL | Cabo San Lucas (Mexico) |
| CSL | Computer Systems Laboratory (NIST) |
| CSL | Central Science Laboratory |
| CSL | Connecticut State Library |
| CSL | Combined Single Limit (insurance liability limits of coverage) |
| CSL | Comma Separated List |
| CSL | Côte Saint-Luc (Montreal District) |
| CSL | Computer Sciences Laboratory (Australian National university, Canberra, Australia) |
| CSL | Computer Sciences Laboratory |
| CSL | Chinese Super League |
| CSL | Commonwealth Serum Laboratories (CSL Limited, Australian biopharmaceutical company) |
| CSL | Creosote Sweeping Log (fireplace cleaning product) |
| CSL | Can't Stop Laughing |
| CSL | Coast Soccer League (Orange, Caliafornia) |
| CSL | Crosshole Sonic Logging |
| CSL | Center for Strategic Leadership (US Army War College) |
| CSL | Corn Steep Liquor |
| CSL | Canada Student Loan |
| CSL | Continuous Stochastic Logic |
| CSL | Cooperative Security Locations |
| CSL | Casal (Portuguese postal usage) |
| CSL | Canada Steamship Lines, Inc. |
| CSL | Chip Support Library |
| CSL | Clive Staples Lewis (author) |
| CSL | Calcium Stearoyl Lactylate (food grade emulsifier) |
| CSL | Cub Scout Leader |
| CSL | Cochin Shipyard Ltd (Cochin, India) |
| CSL | Customer Service Level |
| CSL | Control Systems Laboratory |
| CSL | Cognitive Sciences Laboratory |
| CSL | Chimney Sweeping Log |
| CSL | Configurable System Logic (Tricend Corporation System-on-Chip technology) |
| CSL | Computer Sensitive Language |
| CSL | Ceskoslovenska Strana Lidova (Czechoslovak People's Party) |
| CSL | Coupe Sport Lightweight (BMW) |
| CSL | Climate Simulation Laboratory (University Corporation for Atmospheric Research) |
| CSL | Company Special License (now Special License Company; Seychelles) |
| CSL | Centre Spatiale de Liege (French) |
| CSL | Commission Scolaire des Laurentides |
| CSL | Component Specification Language |
| CSL | Current Sinking Logic |
| CSL | Coin Supervising Link |
| CSL | Compound Sodium Lactate (intravenous fluid) |
| CSL | Customer Service Leader |
| CSL | Current Studies in Linguistics |
| CSL | Command Signal Limiter (NASA) |
| CSL | Computation Structures Language |
| CSL | Caritas Sri Lanka (Catholic Bishops' Conference of Sri Lanka) |
| CSL | Cyber Security Lab |
| CSL | Configuration Specification Language |
| CSL | Computer Status Lights (NASA) |
| CSL | Clogged Stream Lands |
| CSL | Computer System Limited |
| CSL | Cross Street Location (emergency services) |
| CSL | Central Selection List |
| CSL | Crew Systems Laboratory (NASA) |
| CSL | Cadet Squadron Leader |
| CSL | combat stores list (US DoD) |
| CSL | Combat Skill Level (gaming, Hero System 5th Edition) |
| CSL | Competitive Sustainment Level (US Army) |
| CSL | Commander Submarine Force, Atlantic Fleet |
| CSL | Control & Simulation Language |
| CSL | Context Switching Logic |
| CSL | Community Systems Liaison |
| CSL | Calibration Services Laboratory |
| CSL | Colorado Senior Lobby |
| CSL | Character Segment Leader |
| CSL | Communications Service of Louisiana |
| CSL | Consolidated Software List |
| CSL | WA State Sediment Cleanup Screening Level |
| CSL | Current-Switching Logic |
| CSL | Crime Scene Laboratory |
| CSL | Complete Service Life |
| CSL | Center for Sacred Landmarks (Maxine Goodman Levin College of Urban Affairs, Cleveland State University) |
| CSL | Castlemore Securities Ltd. (UK) |
| CSL | Credit Security Limited (UK) |
| CSL | Club Subaquatique du Léman (French: Lake Geneva Underwater Club) |
| CSL | Colomer Service Location (France) |
| CSL | Consoles Sports League (gaming) |
| CSL | Case Study Library |
| CSL | Colorado State Library (Denver, CO) |
| CSL | Corridor Sands Ltd |
| CSL | Command Selection List (US Army) |
| CSL | Columbus School of Law (Catholic University of America; Washington, DC) |
| CSL | Charter Seat License (sports tickets) |
| CSL | Clinical Skills Lab (various locations) |
| CSL | Conseil Scientifique Local (French: Local Scientific Council) |
| CSL | Club Subaquatique Lorientais (French: Lorient Underwater Club; Lorent, France) |
| CSL | CenturyTel Solutions, LLC (Monroe, LA) |
| CSL | Customer Satisfaction Level |
| CSL | Career Services Library (University of Northern Iowa) |