| Acronym | Definition |
|---|
| CATS | Charlotte Area Transit System |
| CATS | Commonwealth Accountability Testing System (Kentucky) |
| CATS | Chicago Area Transportation Study |
| CATS | Credit Accumulation and Transfer Scheme (UK) |
| CATS | Cross-Application Time Sheet |
| CATS | Californians Against Telephone Solicitation |
| CATS | Computer Active Technology Suspension (Jaguar) |
| CATS | Certificates of Accrual on Treasury Securities |
| CATS | Computing: the Australasian Theory Symposium |
| CATS | Cheap Access to Space (Space Frontier Foundation) |
| CATS | Combined Arms Training Strategy |
| CATS | Corrective Action Tracking System |
| CATS | Citizens for an Alternative Tax System |
| CATS | Computer Assisted Testing Service |
| CATS | Computer-Assisted Trading System |
| CATS | Canadian American Ticlopidine Study |
| CATS | Consequences Assessment Tool Set (SAIC) |
| CATS | Central Area Transmission System (North Sea Oil; UK sector) |
| CATS | Capital Area Transit System (Baton Rouge, Louisiana) |
| CATS | Combined Aerial Target Service (UK MoD) |
| CATS | Canadian American Transportation Systems |
| CATS | Computer Assisted Training System |
| CATS | Computer-Assisted Training System |
| CATS | Charlotte Area Transportation System (North Carolina) |
| CATS | Contemporary Asian Theatre Scene (San Jose, CA) |
| CATS | Consolidated Asset Tracking System |
| CATS | Chico Area Transit System (California) |
| CATS | Center for Applied Thermodynamic Studies |
| CATS | Commodore Amiga Technical Support |
| CATS | Concerned About Teen Sexuality |
| CATS | Campus Area Transportation System (University of Vermont) |
| CATS | Concurrency Analysis Tool Suite |
| CATS | Continuous AutoTransfusion System (blood salvage) |
| CATS | Computer-Aided Training System |
| CATS | Computer Aided Test System |
| CATS | Counsel Automated Tracking System |
| CATS | Community Alliance for Teen Safety |
| CATS | Collisions in Atom Traps |
| CATS | Community Awareness and Treatment Services, Inc. |
| CATS | Combat Application Tourniquet System (Phil Durango, LLC; used by US DoD) |
| CATS | City of Anderson Transportation System (Anderson, IN) |
| CATS | Crazy Aged Tyrant Stinks (Kids Next Door show) |
| CATS | Center for Advanced Television Studies |
| CATS | Computer Automated Test System |
| CATS | Cut All to Shreds |
| CATS | Commercial Auto Theft Section (police departments) |
| CATS | Child Abuse Training Services (Michigan) |
| CATS | Computer-Assisted Tracking System |
| CATS | Combined Arms Training Systems |
| CATS | Customer Access Terminal System |
| CATS | Catalogue Subsystem |
| CATS | Cargo Analysis Technology Symposium |
| CATS | Computer Aided Time Standards |
| CATS | Centralized Automatic Test System |
| CATS | Common Automatic Test System |
| CATS | Cost Accounting Tracking System |
| CATS | Caring Adults Teaming for Safety (Estes Park High School, Estes Park, CO) |
| CATS | Carload And Truckload Shipments |
| CATS | CDMA Automated Test System (WTCOM) |
| CATS | Cellular Access Telephone System (REDCOM) |
| CATS | Coherent Acoustic Torpedo System |
| CATS | Children Affected by a Toxic Substance |
| CATS | Collaborative Application Technology Solutions (Department of State) |
| CATS | Citizens Against Trash in Sumter (Florida, USA) |
| CATS | Computer Assisted Transportation System |
| CATS | Computer Assistance and Training Services |
| CATS | Canadian Auxiliary Territorial Services |
| CATS | Club Athletic Training Students |
| CATS | Customer Activation Tracking System (Sprint) |
| CATS | Comet and Tails Science |
| CATS | Contained Armament Test Set |
| CATS | Coherent Automated Target Simulator |
| CATS | Colcom Access Test System |
| CATS | Combat Airlift Training Squadron |
| CATS | Common Avionics Test Set |
| CATS | Common Analysis Tool Set |
| CATS | Cost Analysis Tracking System (Sprint) |
| CATS | Computerized Assets Tracking System |
| CATS | Consortium of Audiographic Teleconferencing Standards |
| CATS | Corporate Accounts Transition System |
| CATS | Cognitive Avionics Toolset |
| CATS | Calamba Airsoft Tactical Squad (Philippines) |
| CATS | Cascade Accounting & Tax Services (Everett, WA) |