| Acronym | Definition |
|---|
| NTGS➣Non-Tested Grades and Subjects (education) |
| NTGS➣Northern Territory Geological Survey (Australia) |
| NTGS➣Normal Tension Glaucoma Study (Glaucoma Research Foundation; San Francisco, CA) |
| NTGS➣New Technologies Global Systems |
| NTGS➣National Technical Guidance Study |