| Acronym | Definition |
|---|
| FGEC | Foundation for Genetic Education and Counseling (Baltimore, MD) |
| FGEC | Fédération Générale des Expéditionnaires et Commis de l'Etat (French: General Federation of Expeditionary Commission and the State; Luxembourg; trade union) |
| FGEC | Fiduciaire Générale d'Expertise Comptable (French: General Publi Trust Accountant) |
| FGEC | Freie Gemeinde Evangelischer Christen (German: Free Community of Protestant Christians) |
| FGEC | Forum of Gas-Exporting Countries |
| FGEC | Framework for Global Electronic Commerce |
| FGEC | Fiber Grating External Cavity (laser technology) |
| FGEC | First-Guess Error Covariance (research error statistics) |