| Acronym | Definition |
|---|
| NPPI➣Non-Public Personal Information |
| NPPI➣National Pensions Policy Initiative (Dublin, Ireland) |
| NPPI➣Non-Peptidic Protease Inhibitor (medical treatment) |
| NPPI➣New Product and Process Innovation (automotive products) |
| NPPI➣New Paradigm Productions, Inc. (Utah) |
| NPPI➣New Procees and Product Introduction |