NTWA
| Acronym | Definition |
|---|---|
| NTWA | National Turf Writers Association (est. 1959) |
| NTWA | National Trust of Australia (West Perth, Western Australia, Australia) |
| NTWA | National Training Wage Award (Australia) |
| NTWA | North Texas Woodworkers Association (est. 1991; Richardson, TX) |
| NTWA | Northwest Territories Waters Act (Canada) |
| NTWA | Nepal Transport Workers' Association |
| NTWA | Navigation in Thai Waters Act |