| Acronym | Definition |
|---|
| NIPSA➣Northern Ireland Public Service Alliance (UK) |
| NIPSA➣National Independent Private School Association (Miami, Florida) |
| NIPSA➣Not In Public Site Areas (Flickr) |
| NIPSA➣Nutrition Information Project for Southern Africa |
| NIPSA➣Naval Intelligence Processing System A |
| NIPSA➣Northern Ireland Public Servants Alliance (UK) |