| Acronym | Definition |
|---|
| HHG➣Household Goods |
| HHG➣Heinrich Heine Gymnasium (German; various locations) |
| HHG➣High Harmonic Generation (laser frequency conversion) |
| HHG➣Hitchhikers Guide to the Galaxy (Douglas Adams) |
| HHG➣Holy Hand Grenade |
| HHG➣Huntington Municipal Airport (Huntington, IN) |
| HHG➣Humco Holding Group, Inc. (Texarkana, TX) |
| HHG➣Hypergonadotropic Hypogonadism |
| HHG➣Hirners Hotel Guide (directory) |
| HHG➣H. H. Gregg Appliances Inc. |
| HHG➣Headquarters and Headquarters Group |
| HHG➣Hot Hide Glue (woodworking) |
| HHG➣Hoxne Heritage Group (UK) |
| HHG➣Hitchhiker G1 (project carrier, space shuttle) |