| Acronym | Definition |
|---|
| NSPI➣National Spa and Pool Institute |
| NSPI➣Name Server Provider Interface |
| NSPI➣National Spa & Pool Institute |
| NSPI➣Nova Scotia Power Incorporated |
| NSPI➣Name Service Provider Interface (Microsoft) |
| NSPI➣Nevada Student Paranormal Investigation |
| NSPI➣National Society of Performance and Instruction |
| NSPI➣No Significant Performance Impact |
| NSPI➣Nocturnal Sciences and Paranormal Investigations (Georgia) |