| Abbreviation | Definition |
|---|---|
| NITR | Nestlé International Travel Retail |
| NMH | New Modern Hotel |
| NMTD | New Mexico Tourism Department |
| NMTP | Northern Mozambique Tourism Project |
| NMTS | New Mexico Touring Society |
| NMTT | Nga Mahi Te Taiao |
| NNRB | Natal Nature Reserve Board |
| NNTA | North Northumberland Tourism Association |
| NOTO | Nature and Outdoor Tourism Ontario |
| NPTB | Northern Province Tourism Board |
| NPTC | National Park Travelers Club |
| NQAS | National Quality Accommodation Scheme |
| NRCP | Nature and Raptor Center of Pueblo |
| NRMH | Northern Riverfront Marina and Hotel |
| NRTS | National Rail Travel Survey |
| NSBT | North Shore Business Travel |
| NSTMP | National Sustainable Tourism Master plan |
| NSTS | National Student Travel Services |
| NTA | Nippon Travel Agency |
| NTAW | National Tourism Awards for Wales |