| Abbreviation | Definition |
|---|---|
| ASATA | Association of Southern African Travel Agents |
| ASBB | Abita Springs Bed and Breakfast |
| ASCOT | Australian Standing Committee on Tourism |
| ASSET | Association of Small Scale Enterprises in Tourism |
| ASTA | A American Society Of Travel Agents |
| ASTA | American Society of Travel Agent |
| ASTA | American Society of Travel Agents |
| ASTG | All Star Travel Group |
| ASTM | Association of Swiss Travel Management |
| ASTP | Assisted School Travel Program |
| ATA | Africa Travel Association |
| ATALA | Australian Travel Association for Latin |
| ATAP | Australian Tourism Accreditation Program |
| ATAS | AFTA Travel Accreditation Scheme |
| ATAT | Assistive Technology for Air Travel |
| ATB | Arizona Travel Ball |
| ATBB | Andover Traveling Boys Basketball |
| ATBO | Adventure Tourism Business Operations |
| ATBW | Australian Tourism Booking Widget |
| ATCF | Adventure Travel Conservation Fund |