| Acronym | Definition |
|---|
| NSTL➣National Software Testing Laboratories |
| NSTL➣National Software Testing Laboratory |
| NSTL➣National Space Technology Laboratory |
| NSTL➣National Strategic Target List |
| NSTL➣Naval Science & Technological Laboratory (India) |
| NSTL➣National Security Threat List (Counterintelligence) |
| NSTL➣National Standards Testing Laboratory |
| NSTL➣National Study Team Leader |