NSSM
| Acronym | Definition |
|---|---|
| NSSM | Non-Sucking Service Manager (open-source software) |
| NSSM | National Security Study Memorandum |
| NSSM | National Standard Systems Network |
| NSSM | NATO Sea Sparrow Missile |
| NSSM | Network Systems & Security Management |
| NSSM | National Sure Start Month (UK; childcare program) |
| NSSM | Nursing Student Success Made Incredibly Easy (book) |
| NSSM | Navy Spread Spectrum Modem |