NPPO
| Acronym | Definition |
|---|---|
| NPPO | National Plant Protection Organization |
| NPPO | NASA (National Aeronautics and Space Administration) Parts Project Office |
| NPPO | National Public Procurement Office |
| NPPO | Non-Project Procurement Organisation (UK) |
| NPPO | Navy Program Planning Office |
| NPPO | Navy Publications & Printing Office |