| Acronym | Definition |
|---|
| CLS➣Close |
| CLS➣Class (Air Force) |
| CLS➣Community Legal Service |
| CLS➣Commission on Life Sciences (NAS) |
| CLS➣Clinical Laboratory Scientist |
| CLS➣Common Language Specification (Microsoft .NET; set of conventions intended to promote language interoperability) |
| CLS➣Continuous Linked Settlement (banking) |
| CLS➣Columbia Law School |
| CLS➣Clear Screen |
| CLS➣Celestica (stock symbol) |
| CLS➣Center for Language Studies |
| CLS➣Cardiac Life Support |
| CLS➣Closed Loop System |
| CLS➣Child Life Specialist |
| CLS➣Capillary Leak Syndrome |
| CLS➣College of Liberal Studies (various schools) |
| CLS➣Company Limited by Shares (law) |
| CLS➣Chicago Linguistics Society |
| CLS➣Certified Leasing Specialist |
| CLS➣Center for Leadership and Service (various schools) |
| CLS➣Christian Legal Society |
| CLS➣Canadian Light Source, Inc. (Saskatoon, Saskatchewan, Canada) |
| CLS➣Computer Systems Laboratory |
| CLS➣Cisco Lifecycle Services |
| CLS➣Common Language Specification |
| CLS➣Command Line Scriptor |
| CLS➣Card Loading Signal |
| CLS➣Carrier Line Sharing |
| CLS➣Computer Sensitive Language |
| CLS➣Class Module |
| CLS➣Continuous Linked Settlement |
| CLS➣Country Language Services |
| CLS➣Check Link State |
| CLS➣Center on Law and Security (New York University School of Law) |
| CLS➣Criminal Law Section (various organizations) |
| CLS➣Contact Lens Spectrum (publication) |
| CLS➣Chinese Language Society |
| CLS➣Collecte Localisation Satellites (French) |
| CLS➣Cable Landing Station (submarines; various locations) |
| CLS➣Campus Life Services (various schools) |
| CLS➣Community Living Support (Georgia) |
| CLS➣Critical Legal Studies |
| CLS➣Centre for Labour Market and Social Research (Denmark) |
| CLS➣Certified Lubrication Specialist (Society of Triboligy and Lubrication Engineers) |
| CLS➣Creative Lighting Solutions (Ohio) |
| CLS➣Contrat Local de Sécurité (French: Local Security Contract) |
| CLS➣Combat Lifesaver |
| CLS➣Capital Legal Services (Russia) |
| CLS➣Charlotte Latin School |
| CLS➣Commercial Level Simulation (aviation software) |
| CLS➣Certified Lotus Specialist |
| CLS➣Coffin-Lowry Syndrome |
| CLS➣Core Labor Standards |
| CLS➣Central Lutheran School (various locations) |
| CLS➣Centre for Liberal Strategies (Sofia, Bulgaria) |
| CLS➣Core Level Shift (metallic alloys) |
| CLS➣Certified Lactation Specialist |
| CLS➣Contractor Logistic(s) Support |
| CLS➣Cargo Loading System |
| CLS➣Child Labour Survey |
| CLS➣Chief of the Land Staff (Canadian Forces) |
| CLS➣Caterpillar Logistics Services (various locations) |
| CLS➣Corporate Learning Systems |
| CLS➣Carton Live Storage |
| CLS➣Client Ledger System (software) |
| CLS➣Civil Litigation Section (various organizations) |
| CLS➣California Legal Services |
| CLS➣Capsule Launch System |
| CLS➣Center for Literary Studies |
| CLS➣Canadian Lumber Standards |
| CLS➣Capillary-Like Structure (cancer) |
| CLS➣Consolidated Laboratory Services (Van Nuys, CA) |
| CLS➣Common Levels of Support |
| CLS➣Centralized Library System (various locations) |
| CLS➣Contact Lens Store |
| CLS➣Contracted Logistic Support (US DoD) |
| CLS➣Contract Logistics Support |
| CLS➣Constrained Least Squares |
| CLS➣Country Lending Service (State Library of Queensland; Queensland, Australia) |
| CLS➣Clear Lake Symphony (Nassau Bay, TX) |
| CLS➣Call Logging System |
| CLS➣Culture, Leisure and Sport (UK) |
| CLS➣Central Liabilities System |
| CLS➣Columbia Library System (Missouri) |
| CLS➣Cloud Lidar System |
| CLS➣Clinical Language Sciences (UK) |
| CLS➣Connectionless Server (Siemens/Stromberg-Carlson) |
| CLS➣Closed Loop Support |
| CLS➣Canadian Logistics Services |
| CLS➣Concordia Lutheran Seminary (Edmonton, Alberta, Canada) |
| CLS➣Cisco Link Services |
| CLS➣Central Locating Service |
| CLS➣Coach Limousine Service (France) |
| CLS➣Caltech Library Services (Pasadena, CA) |
| CLS➣Control Loading System |
| CLS➣Classy Llama Studios (Springfield, MO) |
| CLS➣Computer Loading System |
| CLS➣Contingency Landing Site |
| CLS➣Career Level School (USMC) |
| CLS➣Clean Stocker |
| CLS➣Canadian Lumber System (timber) |
| CLS➣Cenani-Lenz Syndactyly |
| CLS➣Central Login Service (University of Cincinnati; Ohio) |
| CLS➣Customer Logistics Support |
| CLS➣Comptoir Lyonnais de Soudage (French welding supply company) |
| CLS➣Characteristic Loss Spectroscopy |
| CLS➣Clinical Lipid Specialist |
| CLS➣Center for Longitudinal Studies (UK) |
| CLS➣Concrete Lined Steel (piping) |
| CLS➣Soft Clam (FAO species code) |
| CLS➣Compton Light Source |
| CLS➣Chemistry and Laser Sciences Division |
| CLS➣Cooling Loop Simulator |
| CLS➣Centi Long Sword (Everquest) |
| CLS➣Capsule Launcher Subsystem |
| CLS➣Circadian Lighting System |
| CLS➣Class of Service restriction (telecom) |
| CLS➣Consumer Location System |
| CLS➣Collect Localization Satellites |
| CLS➣Combat Logistics System |
| CLS➣Collect and Localization by Satellite |
| CLS➣Categories, Lists and Navigation Templates (Wikimedia Foundation) |
| CLS➣Core Logic Server |
| CLS➣Coastguard Launching Station |
| CLS➣Coupe Leicht Sportlich (Mercedes Benz model) |
| CLS➣Combined Link Set (CCS #7) |
| CLS➣Command & Launch System (defense system) |
| CLS➣Classified Logistic Shipment |
| CLS➣Car Lux Service (French car rental company) |
| CLS➣Cylinder Leaky Wave |
| CLS➣Collector Lane Shift |
| CLS➣Canadian Listing Service (Canada) |
| CLS➣Control Level Schedule (engineering) |