| Acronym | Definition |
|---|
| DGI | Direction Générale des Impôts (French: Department of Revenue) |
| DGI | Directeur Général Par Intérim (French: Acting Director General) |
| DGI | Dirección General Impositiva (Argentina) |
| DGI | Digital Garden Inc. (Tokyo, Japan) |
| DGI | Dynamic Graphics, Inc. (Alameda, CA) |
| DGI | Disseminated Gonococcal Infection (medicine) |
| DGI | Direct Gas Impingement (rifles) |
| DGI | Don't Get Involved |
| DGI | Drummond Group Inc. |
| DGI | Danske Gymnastik- & Idrætsforeninger (Denmark) |
| DGI | Danger Grave Immédiat (French: Grave Immediate Danger) |
| DGI | Don't Get It |
| DGI | Deutsche Gesellschaft für Informationswissenschaft und Informationspraxis eV (formerly Deutsche Gesellschaft für Dokumentation eV) |
| DGI | Direcção-Geral dos Impostos (Portugese) |
| DGI | Defence Geospatial Intelligence |
| DGI | Dentinogenesis Imperfecta |
| DGI | Direct Gasoline Injection |
| DGI | Digital Geographic Information |
| DGI | Didier Girod Informatique (French software company) |
| DGI | Doesn't Get It |
| DGI | Departement de Genie Informatique (French: Department of Computer Engineering; Canada) |
| DGI | Disney Gazette Information (France) |
| DGI | Digital Graphics Incorporated (various locations) |
| DGI | De Gourcy Immobilier (French real estate company) |
| DGI | Digital Government Institute, LLC |
| DGI | Direction Generale de Inteligencia (Cuban Intelligence) |
| DGI | Date Growers Institute |