| Acronym | Definition |
|---|
| GCEP | Global Climate and Energy Project (Stanford University; California) |
| GCEP | Global Change Education Program |
| GCEP | Groupe Canadien d'Etude des Parlements (French: Canadian Study Group of Parliaments) |
| GCEP | General Corporation for Environment Protection (environmental body; Amman, Jordan) |
| GCEP | Gas Centrifuge Enrichment Plant |
| GCEP | Groupe Canadien d'Endocrinologie Pédiatrique (French: Canadian Group of Paediatric Endocrinology) |
| GCEP | Georgia College of Emergency Physicians |
| GCEP | Global Connections and Exchange Program |
| GCEP | Greater Crenshaw Educational Partnership (Los Angeles, CA) |