| Acronym | Definition |
|---|
| IDG➣International Data Group |
| IDG➣International Deployment Group (Australian Federal Police) |
| IDG➣Industrial Development Group (various locations) |
| IDG➣Integrated Drive Generator |
| IDG➣Internet Development Group (various organizations) |
| IDG➣Installation Design Guide |
| IDG➣Internet Discussion Group |
| IDG➣Infectious Disease Group |
| IDG➣International Diagnostic Group (UK) |
| IDG➣Idle Waiting to Load (US Navy) |
| IDG➣Inset Dielectric Guide |
| IDG➣International Dangerous Goods (mail, shipping) |
| IDG➣Isothermal Dendritic Growth |
| IDG➣Internal Drive Generator |
| IDG➣Indiscernibility Definition Graph |
| IDG➣Inspector of Degaussing |
| IDG➣Integrated DAMA (Demand Assigned Multiple Access) GATM (Global Air Traffic Management) (avionics communications upgrade program) |
| IDG➣Individual Drop Glider |