| 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 |