| Acronym | Definition |
|---|
| THG | Tom's Hardware Guide |
| THG | Theodor-Heuss-Gymnasium (Germany) |
| THG | The Hut Group (online retailer) |
| THG | The Hollywood Gossip |
| THG | Trans Hex Group (South Africa) |
| THG | Tetrahydrogestrinone |
| THG | The Hunger Games |
| THG | Tech Hockey Guide |
| THG | Third Harmonic Generation (laser physics) |
| THG | That Helmet Guy (props; Ronime Studios; Beaverton, OR) |
| THG | The Humble Guys (hacker group) |
| THG | The Holmes Group (home environment and kitchen small appliances) |
| THG | The Horizon Group (Hicksville, NY) |
| THG | Ten Hundred Gigabit (Finisar) |
| THG | Traveling Hillbilly Goats (band) |
| THG | Thoroughbred Horsemens Group |