| Acronym | Definition |
|---|
| NNTA➣No Need to Argue |
| NNTA➣North Northumberland Tourism Association (North Northumberland, UK) |
| NNTA➣Nepal National Teachers' Association |
| NNTA➣No Need to Argue (Cranberries album) |
| NNTA➣Near North Trail Association (Canada) |
| NNTA➣No Need to Answer |
| NNTA➣Neural Networks: Theory and Applications |