Found 4 full forms for NPIW
| Term | Full Form | Category |
|---|---|---|
| NPIW | National Program for Improvement of Watercourses 
| Others |
| NPIW | National Programme for Improvement of Watercourses
| Others |
| NPIW | North Pacific Intermediate Water
| Others |
| NPIW | Notification of Potential Interview Waiver
| Others |