| NTTS | NASA Technology Transfer System
| Others |
| NTTS | National Tractor Trailer School
| Others |
| NTTS | National Travel and Tourism Strategy
| Others |
| NTTS | National Truck and Trailer Services
| Others |
| NTTS | Neural Text To Speech
| Others |
| NTTS | New Techniques and Technologies for Statistics
| Others |
| NTTS | New Technology Training Scheme
| Others |
| NTTS | New Testament Tools and Studies
| Others |
| NTTS | New to the Sport
| Others |
| NTTS | Non Traditional Training Site
| Others |
| NTTS | Northeast Tarrant Transportation Summit
| Others |
| NTTS | Nta Trusted Time Server
| Others |