| Acronym | Definition |
|---|
| HDG➣Heading |
| HDG➣Haus der Geschichte (German) |
| HDG➣Haut de Gamme (French: premium products) |
| HDG➣Hot Dip Galvanized |
| HDG➣Hydraulic Detachable Gooseneck (trailer equipment) |
| HDG➣Havre de Grace |
| HDG➣High Desert Gold (Canada) |
| HDG➣Hound Dog Graphics (New York) |
| HDG➣Homology-Dependent Gene (plant biology) |
| HDG➣Highly Decomposed Granite |
| HDG➣Hickman-Dalton Gang (band) |
| HDG➣Hab Dich Gern (German) |
| HDG➣Heavy-Duty Gasoline-Powered Vehicle |
| HDG➣Harvard Drug Group (pharmaceuticals; Livonia, MI) |
| HDG➣Handy Dandy Guide (Internet slang) |
| HDG➣Heeresdisziplinargesetz (German) |
| HDG➣Hospitality Development Group, Inc (Ft. Lauderdale, FL) |
| HDG➣Horizontal Drugs Group (EU) |
| HDG➣Hendricks Development Group (Beloit, WI) |
| HDG➣High Density Gateway |
| HDG➣Home Defense Gun (firearm ownership) |
| HDG➣Harbison Design Group (Australia) |