| Acronym | Definition |
|---|
| NSST➣New Swedish Solar Telescope |
| NSST➣NAWMP (North American Waterfowl Management Plan) Science Support Team |
| NSST➣Navigation, Seamanship and Shiphandling Trainer |
| NSST➣Non-Smoking Seat (airlines) |
| NSST➣Non-Surgical Skin Tightening (cosmetic procedure) |
| NSST➣North Side Swim Team (Des Moines, IA) |