| GSDE | Gas Sensor Dip Electrode 
| Others |
| GSDE | Gaussian shuffled differential evolution
| Others |
| GSDE | Generalized Stochastic Differential Equations
| Others |
| GSDE | Geometry and Symmetry of Differential Equations
| Others |
| GSDE | Global Seekers Development Expeditions
| Others |
| GSDE | Granite State Diabetes Educators
| Others |
| GSDE | Greek Swedish Danish excavation
| Others |
| GSDE | Greek Swedish Danish excavations
| Others |
| GSDE | Ground System Development Environment
| Others |
| GSDE | Ground Systems Development Environment
| Others |
| GSDE | Grupo de Sistemas Digitais e Embarcados
| Others |