NJSS
| 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 |