| GESG | Gender Equality Steering Group
| Others |
| GESG | General English for Students of Geography
| Others |
| GESG | Geography Education Specialty Group
| Others |
| GESG | GLA Events Steering Group
| Others |
| GESG | Global Environment Systems Group
| Others |
| GESG | Global Equipment Suppliers Group
| Others |
| GESG | Global Executive Solutions Group
| Others |
| GESG | Gorlicka Ekologiczna Strefa Gospodarcza
| Others |
| GESG | Graduate Education Strategy Group
| Others |
| GESG | Grupo Ecologic de Sierra Gorda
| Others |
| GESG | Grupo Ecologico Sierra Gorda
| Others |
| GESG | Guatemalan Econometric Study Group
| Others |