| Acronym | Definition | 
|---|
| TACS➣Trauma and Acute Care Surgery | 
| TACS➣Transcranial Alternating Current Stimulation (brain) | 
| TACS➣Technology and Communication Systems | 
| TACS➣Total Access Communication System | 
| TACS➣Technical Assistance and Consulting Services (various organizations) | 
| TACS➣Temperature-Aware Computer Systems | 
| TACS➣Tactical Air Control System | 
| TACS➣Theater Air Control System | 
| TACS➣Theoretical Aspects of Computer Software (Conference) | 
| TACS➣Theory and Applications of Computational Science (International Conference) | 
| TACS➣Tiles and Architectural Ceramics Society (UK) | 
| TACS➣Time and Attendance Collection System (US Postal Service) | 
| TACS➣Tactical Air Control Squadron | 
| TACS➣Total Anterior Circulation Syndrome (medical) | 
| TACS➣Tracking and Control Station | 
| TACS➣Total Access Cellular System | 
| TACS➣Time and Attendance Control System | 
| TACS➣Tactical Air Command System | 
| TACS➣Tactical Auxiliary Crane Ship | 
| TACS➣Theater Army Communications System | 
| TACS➣Technical Assignment Control System | 
| TACS➣Tactical Acoustic Communications System | 
| TACS➣Transportable Atmospheric Characterization Station | 
| TACS➣Training Analysis and Computer Systems | 
| TACS➣Turbine Auxiliaries Cooling System (US NRC) | 
| TACS➣Texaco Advanced Control System |