| GEA | Germana Esperanto-Asocio (www.esperanto.de/gea/) | In Esperanto | → Associations |
| GEA | Gimbal Electronics Assembly | In English | → Electronics |
| GEA | Grazer Energieagentur | In German | → Energy economics |
| GEA | Gestion des Entreprises et des Administrations | In French | → Management → Economics → Public administration, government |
| GEA | Groupe des Écoles Aéronautiques et spatiales | In French | → Organizations and associations → Specialized or (poly)technical colleges → Aeronautics, aircraft → 6297 |
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