| Abbreviation | Definition |
|---|---|
| GWTC | Global Wellness Tourism Congress |
| GWTT | Ground Water Travel Time |
| HAN | Hotel Association of Nepal |
| HART | Halt All Racist Tours |
| HATTA | Hellenic Association of Travel and Tourist Agents |
| HBH | Heart Break Hotel |
| HBSI | Hotel Booking Solutions Incorporated |
| HCA | Hotel Credit Association |
| HCAT | Hotel Culinary Arts and Tourism |
| HCCHC | Houston Convention Center Hotel Corporation |
| HCIL | Hotel Corporation of India Ltd |
| HCMI | Hotel Carbon Measurement Initiative |
| HCN | Hotel Communication Network |
| HCTH | Holding Company for Tourism and Hotels |
| HDB | Hotel Direct Booster |
| HDE | Hotel Distribution Event |
| HDI | Historically Disadvantaged Individual |
| HDLP | Hotel de la Plage |
| HEC | Hotel Ezra Cornell |
| HEOS | Hotel Equipment and Operating Services |