| Abbreviation | Definition |
|---|---|
| ANT | Area Network Technology |
| ANT | Autonomy Navigation Technology |
| ANTG | Advance Network Technology Group |
| ANTW | Advanced Network Technology Westbury |
| AONT | Association of Nazarene Technologists (Kansas City, MO) |
| AOSTRA | Alberta Oil Sands Technology and Research Authority |
| AOT | Academy of Technology |
| AOT | Advanced Optoelectronic Technology |
| AOTD | Advanced Oleochemical Technology Division |
| AOTD | Art of Technology Digest |
| AOTL | Art of Technology Ltd |
| AP | Anomalous Propagation |
| APART | Austrian Programme for Advanced Research and Technology |
| APCT | Advanced Printed Circuit Technology |
| APET | Austrian Power Environment Technology |
| APETS | Advanced Prototype Engineering Technology Symposium |
| APETT | Advanced Power Electronic Technology and Tools |
| APITA | Andhra Pradesh Information Technology Academy |
| APPTA | Advancing Policies and Practices in Technology and Aging |
| APPTC | Advanced Plastic Processing Technology Centre |