| Acronym | Definition |
|---|
| NNWA➣National Neighbourhood Watch Association (UK) |
| NNWA➣Navy Nuclear Weapons Association |
| NNWA➣National Neighbourhood Watch Awards (UK) |
| NNWA➣National Nuclear Weapons Agency |
| NNWA➣Northern Nevada Water Authority |
| NNWA➣Nelson Northwest Alaska |
| NNWA➣National Nordic Walking Association |
| NNWA➣Neutral Network Analysis |
| NNWA➣National Nuclear Weapons Association |