| Abbreviation | Definition |
|---|---|
| ATTAP | Alliance of Travel and Tour Agencies of Pampanga |
| ATTF | Air Travel Trust Fund |
| ATTT | Association of Tourism Teachers and Trainers |
| ATTTO | Aviation Tourism and Travel Training Organisation |
| ATTTO | Avition Tourism and Travel Training Organisation |
| ATW | Auto Travel World |
| ATWS | Adventure Travel World Summit |
| ATWT | Around the World Travel |
| AVKR | Andries Vosloo Kudu Reserve |
| AVM | Add Value Machine |
| AWATAR | Any Where Any Time Advance Reservation |
| BABASA | Bed and Breakfast Association of South Africa |
| BACD | British Association of Conference Destinations |
| BAT | Berg Adventures and Travels |
| BATM | Belgian Association of Travel Management |
| BATW | Best American Travel Writing |
| BBC | Borivali Biryani Centre |
| BBT | Buying Business Travel |
| BBTH | Bachelor of Business in Tourism and Hospitality |
| BCA | Baggage Claim Area |