| 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 |