NNPP
| Acronym | Definition |
|---|---|
| NNPP | Naval Nuclear Propulsion Program |
| NNPP | New Nuclear Power Plant (atomic energy) |
| NNPP | Net Negative Producing Programmer |
| NNPP | National Neighbourhood Policing Programme (UK) |
| NNPP | Novovoronezh Nuclear Power Plant (Voronezh, Russia) |
| NNPP | NIMA NITFS Program Plan |