Found 6 full forms for TNNS
| Term | Full Form | Category |
|---|---|---|
| TNNS | Tenneco Newport News Shipbuilding 
| Others |
| TNNS | Tennis
| Others |
| TNNS | Terra Nova Nature School
| Others |
| TNNS | The Nic Nice Show
| Others |
| TNNS | Tonnis
| Others |
| TNNS | Tunisian National Nutrition Survey
| Others |