| Acronym | Definition |
|---|
| NMSS➣National Multiple Sclerosis Society |
| NMSS➣Non-Motor Symptoms Scale (Parkinson's disease) |
| NMSS➣Nuclear Material Safety and Safeguards |
| NMSS➣Network Management Support Services |
| NMSS➣National Mathematics Summer School (Australia) |
| NMSS➣New Mexico State Society (Washington, DC) |
| NMSS➣Nokia Mobile Server Services |
| NMSS➣New Model Special Schools |
| NMSS➣Network Management Support Services (Shore Consulting) |