| Acronym | Definition |
|---|
| GNCS➣Gateway Network Configuration System |
| GNCS➣Guidance and Navigation Control System |
| GNCS➣Guidance and Navigation Control System (US NASA) |
| GNCS➣Gerontologic Nursing Consultation Service (est. 1988; University of Pennsylvania; Philadelphia, PA) |
| GNCS➣Good News Correspondence School (est. 1978; India) |