| Acronym | Definition |
|---|
| NJSS➣New Jersey Sire Stakes (horse race) |
| NJSS➣New Jersey State Society (est. 1941) |
| NJSS➣National Junior Summer Spectacular (National Swine Registry competition) |
| NJSS➣National Judicial Staff Services (Papua New Guinea) |
| NJSS➣Netherlands Journal of Social Sciences |