NOSSA
| Acronym | Definition |
|---|---|
| NOSSA | National Organization of Short Statured Adults |
| NOSSA | North of Superior Snowmobile Association (Ontario, Canada) |
| NOSSA | Northern Ontario Secondary Schools Association (Ontario, Canada) |
| NOSSA | Native Orchid Society of South Australia (Unley, South Australia, Australia) |
| NOSSA | Naval Ordnance Safety & Security Activity (Indian Head, MD) |