| Acronym | Definition |
|---|
| ACES | Agricultural, Consumer and Environmental Sciences |
| ACES | Allegheny Crisis Emergency Services (Pennsylvania) |
| ACES | Alabama Cooperative Extension System |
| ACES | Association of Civil Engineering Students (Philippines) |
| ACES | Aspen Center for Environmental Studies (Colorado) |
| ACES | Access Certificates for Electronic Services |
| ACES | American Clean Energy and Security Act of 2009 |
| ACES | Australian Centre for Educational Studies |
| ACES | Area Cooperative Educational Services (Connecticut) |
| ACES | Arab Center for Engineering Studies (various locations) |
| ACES | Army Continuing Education System (US Army) |
| ACES | Association for Counselor Education and Supervision |
| ACES | American Copy Editors Society |
| ACES | Association for Children for Enforcement of Support |
| ACES | Asia Cellular Satellite |
| ACES | Army Corps of Engineers Seattle (Seattle, WA) |
| ACES | Automated Commerce Employment System |
| ACES | Alabama Cooperative Extension Service |
| ACES | Aerolíneas Centrales de Colombia (Airline, Colombia) |
| ACES | Architectures and Compilers for Embedded Systems (various organizations) |
| ACES | All Children Exercising Simultaneously |
| ACES | Accounting Enrichment Society |
| ACES | Advanced Computer Engineering Services (various organizations) |
| ACES | American College of Eye Surgeons |
| ACES | Atomic Clock Ensemble in Space |
| ACES | Aftermarket Catalog Enhanced Standard |
| ACES | Adult and Community Education Service (UK) |
| ACES | Adult Continuing Education Students (various organizations) |
| ACES | Applied Computational Electromagnetic Society |
| ACES | Army Center of Excellence, Subsistence |
| ACES | Altus Cumulus Electrification Study |
| ACES | Automated Client Eligibility System |
| ACES | Automated Civil Engineering System |
| ACES | N-2-Acetamido-2-Aminoethanesulfonic Acid |
| ACES | Automated Civil Engineer System (USAF Civil Engineer squadrons) |
| ACES | Advanced Concept Ejection Seat |
| ACES | Airspace Concept Evaluation System |
| ACES | Acoustic Containerless Experiment System |
| ACES | Ada Compiler Evaluation System |
| ACES | Automated Coastal Engineering System |
| ACES | Agency Consolidated End-User Service (program; US NASA) |
| ACES | American Consortium on EU Studies (Washington, DC) |
| ACES | Aviation Cost Evaluation System (US Navy) |
| ACES | Advanced Computerized Execution System (NASD) |
| ACES | Arrow Continuation Experiments |
| ACES | Automated Continuing Evaluation System (Department of Defense) |
| ACES | Alliance for Children's Early Success (est. 2004) |
| ACES | Automated Computer Examination System |
| ACES | Alberta Clinical Engineering Society |
| ACES | Automated Concurrent Engineering Software |
| ACES | Automated Communications Engineering Software |
| ACES | Adaptation Controlled Environment System |
| ACES | Advanced Countermeasures Electronic System (defense product) |
| ACES | Atlantic Congress of Engineering Students |
| ACES | Automated Cargo Expediting System |
| ACES | Administrative Corporate Education System |
| ACES | Any Club Except Seattle (soccer fan group) |
| ACES | Asian Commerce and Economics Studies Centre |
| ACES | Anything Can Equal Success |
| ACES | Airborne Collection Electronic Signals |
| ACES | Anisotropic Crystalline Etching Simulation |
| ACES | Access Control/Entry System |
| ACES | Automated Command and Control Evaluation System |
| ACES | Advanced Crew Escape System |
| ACES | Air Combat Engagement Simulator |
| ACES | Associated Computer Enthusiast Society (California) |
| ACES | Adolescent Coping Education Series |
| ACES | Activity Calendar and Event Scheduler (Georgia Civil Air Patrol) |
| ACES | After Care Education for Students |
| ACES | Agency Communication Exchange System (Ancor/AT&T) |
| ACES | Air Cushion Enhanced Ship |
| ACES | Automatic Control Electronic Switching |
| ACES | Advanced Compact Earth Station (GTE Spacenet) |
| ACES | Access Control and Environmental System |
| ACES | Automated Cost Evaluation System (DoD) |
| ACES | Army Communication Encryption System |
| ACES | Aircraft Carrier Engineering Services |
| ACES | Automatic Computer Equipment Specialist |
| ACES | Army Consolidated Enterprise Solution |
| ACES | Aerial Combat Engagement Simulator |
| ACES | Accuracy Evaluation System |
| ACES | Aircraft Carrier Engineering Study |
| ACES | Active Capable Expandable Surveillance |
| ACES | Annual Cycle Energy Storage System |
| ACES | Automated C2 Evaluation System |
| ACES | Army Communications Engineering Software (US Army) |
| ACES | Army Casualty Estimation Study |
| ACES | Access Control Enrollment Station |
| ACES | Automatic Checkout & Evaluation System |
| ACES | Adolescent Clinical Education Service |
| ACES | Association of Chartered Estates Surveyors (UK) |