| Acronym | Definition |
|---|
| GIE | Groupement d'Intérêt Economique (French: Economic Interest Group) |
| GIE | Gastrointestinal Endoscopy (journal: American Society for Gastrointestinal Endoscopy) |
| GIE | Groupement d'Intérêt Economique |
| GIE | Government Investment Expenditure |
| GIE | Gluten-Induced Enteropathy |
| GIE | Globally Integrated Enterprise (IBM) |
| GIE | Generalized Idiopathic Epilepsy (neurology) |
| GIE | Global Information Environment |
| GIE | Globally Integrated Exercise (various organizations) |
| GIE | Gazette in Education (educational program; Canada) |
| GIE | Gridded Ion Engine (space electric propulsion) |
| GIE | Guidance Interface Enable |