| GDM | Garage Door Monitor 
| Others |
| GDM | Gardner, Massachusetts USA
| Others |
| GDM | Gautier Diak and Masse
| Others |
| GDM | Gear Delivery Mechanism
| Others |
| GDM | Generic Design Model
| Others |
| GDM | Generic Device Magazine
| Others |
| GDM | Generic Display Module
| Others |
| GDM | Geocentric Datum of Malaysia
| Others |
| GDM | Geotechnical Design Manual
| Others |
| GDM | Gerard Dufraesseix Morel
| Others |
| GDM | Gerard Dufraisseix Morel
| Others |
| GDM | German Domestic Market
| Others |
| GDM | Gestalt Data Model
| Others |
| GDM | Gestational Diabetes Mellitus
| Others |
| GDM | Gestational diabtes mellitus
| Others |
| GDM | Ghana Democratic Movement
| Others |
| GDM | Glass Door Merchandiser
| Others |
| GDM | Glidden Discount Merchandisers
| Others |
| GDM | Global Data Management
| Others |
| GDM | Global Delivery Model
| Others |
| GDM | Global Digital Museum
| Others |
| GDM | Global DOS Memory
| Others |
| GDM | Gnome Desktop Manager
| Others |
| GDM | Gnome Display Manager
| Others |
| GDM | Go Dependency Manager
| Others |
| GDM | Google Deep Mind
| Others |
| GDM | Google Desktop for Mac
| Others |
| GDM | Got Damn McDonalds
| Others |
| GDM | Goth Dance Music
| Others |
| GDM | Gram Dry Matter
| Others |
| GDM | Graphical Display Manager
| Others |
| GDM | Great Dark Man
| Others |
| GDM | Gregory Dickow Ministries
| Others |
| GDM | GSM (Global System for Mobile communications) Data Module
| Others |
| GDM | Gylling Data Management
| Others |
| GDM | Society for Mathematical Didactics
| Others |