| Acronym | Meaning |
| GCCS | Global Command and Control System (US DoD) |
| GCCS | Global Combat Control System |
| GCCS | Global Command and Communications System |
| GCCS | Global Command Control Station |
| GCCS | Global Communication & Control System |
| GCCS | Government Code & Cipher School (UK Foreign Office) |
| GCCS | Governor's Commission on Certainty in Sentencing (Georgia) |