| Abbreviation | Definition |
|---|---|
| ATL | Atlas Transformation Language |
| ATLAS | A Taste Of Languages At School |
| ATLAS | Aggregate Table Language And Sys |
| ATLAS | Aggregate Table Language And System |
| ATML | Automated Test Markup Language |
| ATML | Automatic Test Markup Language |
| ATW | Advanced Theological Writing |
| ATW | Advice To Writers |
| ATWK | Awesome Transcribers and Writers in Kenya |
| AUS | Automated Underwriting System |
| AV | Academic Vocabulary |
| AWA | Amherst Writers And Artists |
| AWA | Analytical Writing Assessment |
| AWAI | American Writers and Artists Incorporated |
| AWAI | American Writers and Artists Institute |
| AWAI | American Writers Artists Institute |
| AWARD | Australasian Writers and Art Directors |
| AWC | Academic Writing Centre |
| AWC | Ashford Writing Center |
| AWE | automated writing evaluation |