| Abbreviation | Definition |
|---|---|
| ATC | American Thermoplastic Company |
| ATC | Automated Temperature Control |
| ATC | Automatic Temperature Control |
| ATC | Automatic Tool Changer |
| ATC | Automatic Transfer Control |
| ATC | Automatic Tube Compensation |
| ATEC | Art and Technology |
| ATF | Aviation Turbine Fuel |
| ATFT | Advanced Tumble Flow induction Technology |
| ATG | Adhesive Transfer Gun |
| ATI | Artist's, manufacturers MARK on silver jewelry chain. |
| ATI | As Traded In |
| ATIMP | Advanced Therapy Investigational Medicinal Products |
| ATLAS | Advanced Technology Leisure Application Simulator |
| ATLW | All Terrain Light Walker |
| ATM | Automated Teller Machine |
| ATM | Automatic Teller Machine |
| ATMP | Advanced Therapeutic Medicinal Products |
| ATMP | Advanced Therapy Medicinal Products |
| ATO | Assemble To Order |