GTHC
| Acronym | Definition |
|---|---|
| GTHC | Go to Hell Carolina (Duke University) |
| GTHC | Grand Traverse Hiking Club (Michigan) |
| GTHC | Galveston and Texas History Center (manuscript repository) |
| GTHC | Gateway Treasure Hunters Club (metal detecting club; Wareham, MA) |
| GTHC | Golden Triangle Homebrew Club (Texas) |
| GTHC | Greater Toledo Housing Coalition (Ohio) |