| GDEP | Grupo Desportivo Estoril Praia (Portuguese football club, near Lisbon) | Grupo Desportivo Estoril Praia(葡萄牙足球俱乐部,里斯本附近) |
| GDEP | Graduate Diploma of Editing and Publishing | 编辑出版研究生文凭 |
| GDEP | Geoscience Diversity Enhancement Program | 地球科学多样性增强计划 |
| GDEP | General Direction of Economic Policy | 经济政策总方向 |
| GDEP | Global DOTS Expansion Plan (World Health Organization) | 全球DOTS扩展计划(世界卫生组织) |
| GDEP | Gaseous Diffusion Enrichment Process | 气体扩散富集过程 |
| GDEP | Gaseous Diffusion Enrichment Plant | 气体扩散富集装置 |