| Term | Full Form | Category |
|---|---|---|
| NWSM | National Water Safety Month | Others |
| NWSM | Native Women's Shelter of Montreal | Others |
| NWSM | Nederlandsch Westfaalsche Stoomtram Maatschappij | Others |
| NWSM | New West Sports Medicine | Others |
| NWSM | Nocardia Water Soluble Mitogen | Others |