NNWA
| 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 |