| Acronym | Definition |
|---|
| ATSE➣Australian Academy of Technological Sciences and Engineering (Melbourne, Victoria, Australia) |
| ATSE➣Air Travel Shopping Engine (Sabre Travel Network) |
| ATSE➣Application Timesharing Software Engineering |
| ATSE➣Army Training Support Center (US Army) |
| ATSE➣Army Test Program Set Support Environment |
| ATSE➣Army Topographic Support Establishment (Australia) |
| ATSE➣Arunachal Talent Search Examination (Arunachal, India) |