| Rank | Abbreviation | Meaning |
|---|
| ***** | GESA | Guided Evolutionary Simulated Annealing
| |
| *** | GESA | Governor's Employee Safety Awards
| |
| *** | GESA | Group of Experts on Scientific Aspects
| |
| *** | GESA | Generating Expectations for Student Achievement
| |
| *** | GESA | Ghana Engineering Students Association
| |
| *** | GESA | Gastroenterological Society of Australia
| |
| ** | GESA | General Equipment Support Activity
| |
| ** | GESA | Gigabit Ethernet ServerNet Adapters
| |
| ** | GESA | Graduate English Students Association
| |
| * | GESA | German European Security Association
| |
| * | GESA | Grupo de Estudios de Salmónidos Anádromos
| |
| * | GESA | Gender Expectations and Student Achievement
| |
| * | GESA | Geothermal Energy Systems Assessment
| |
| * | GESA | General Electric Supervisory Association
| |
| * | GESA | Global Energy Security Analysis
| |
| * | GESA | General Electronics Services Australia
| |
| * | GESA | Granger Educational Services Australia
| |
| * | GESA | Global Environments Summer Academy
| |
| * | GESA | Global Expatriate Spouse Association
| |
| * | GESA | Grid Economic Services Architecture
| |
| * | GESA | Graduate Environmental Students Association
| |
| * | GESA | GSF Emergency Stand-Alone
| |
| * | GESA | Global Engineering Solutions Applications
| |
| * | GESA | Greater Experience Soccer Academy
| |
| * | GESA | Global Ecology Study Abroad
| |