NSTS
| Acronym | Definition |
|---|---|
| NSTS | National Space Transportation System (Space Shuttle Program, SSP, preferred) |
| NSTS | National Science Talent Search (Singapore) |
| NSTS | National Secure Telephone System |
| NSTS | National Science Talent Scholarship (India) |
| NSTS | NHS (National Health Service) Strategic Tracing Service (est. 2005; Leeds, West Yorkshire, UK) |
| NSTS | Non-Stationary Time Series |