| Abbreviation | Definition |
|---|---|
| DTTC | Dunnigan Truck And Travel Center |
| DTTF | Diploma in Travel and Tourism Foundations |
| DTTG | Diploma in Travel and Tour Guiding |
| DTTM | Degree in Travel and Tourism Management |
| DTTT | Digital Tourism Think Tank |
| DUBAI | Prominment City in United Arab Emirates |
| DVMT | Daily Vehicle Miles Traveled |
| DVNP | Death Valley National Park |
| DVTC | Danang Vocational Tourism College |
| DWTM | Diners World Travel Malaysia |
| DWTM | Doctor Who Travel Mug |
| E2C | Eco-Endurance Challenge |
| EACT | European Alliance for Coach Tourism |
| EAR | Expected Arrival Room |
| EARTH | European Alliance of Responsible Tourism and Hospitality |
| EBBC | East Bay Broadband Consortium |
| EBTA | Employee Business Travel Account |
| ECRLOT | Enhanced Carrier Route Line Of Travel |
| ECRLOT | Extended Carrier Route Line Of Travel |
| ECST | European Charter for Sustainable Tourism |