| ACATS | Ada Conformity Assessment Test Suite 
| Others |
| ACATS | adult Coding Access Targets for Surgery
| Others |
| ACATS | Advanced Combat And Tactical Simulation
| Others |
| ACATS | Advisory Committee on Advanced Television Service
| Others |
| ACATS | Advisory Committee on Advanced Television Services
| Others |
| ACATS | Airborne Chromatograph For Atmospheric Trace Species
| Others |
| ACATS | American Catfish Angler Tournament Series
| Others |
| ACATS | Analytical Conflict And Tactical Simulation
| Others |
| ACATS | Annapolis County Alternative Transportation Society
| Others |
| ACATS | Automated Customer Account Transfer Service
| Others |
| ACATS | Automated Customer Account Transfer System
| Others |