NPDI
| Acronym | Definition |
|---|---|
| NPDI | Non-Proliferation and Disarmament Initiative (Nuclear Non-Proliferation Treaty) |
| NPDI | New Product Development and Introduction (core business process) |
| NPDI | Non-Performance of Duty Because Imprisoned (US Navy) |
| NPDI | Number Portability Dip Indicator |
| NPDI | No Payment, Deferred Interest (financing) |
| NPDI | Net Private Domestic Investment |
| NPDI | New Product Development Initiative (Oracle) |
| NPDI | Norfolk Power Distribution, Inc. (Canada) |