| Acronym | Definition |
|---|
| TGG | Terbium Gallium Garnet |
| TGG | Triple Graph Grammar |
| TGG | The Golden Girls (TV show) |
| TGG | The Geek Group (Grand Rapids, MI) |
| TGG | The Greater Good |
| TGG | The Great Gatsby (F. Scott Fitzgerald novel) |
| TGG | The Good Guys |
| TGG | Transformational Generative Grammar (linguistics) |
| TGG | Kuala Terengganu, Malaysia - Sultan Mahmood (Airport Code) |
| TGG | The Guggenheim Grotto (band) |
| TGG | Teletta Gross Gymnasium (Germany) |
| TGG | The Greatest Game |
| TGG | The GeoInformation Group (UK) |
| TGG | The Gathering Goddess (UK) |
| TGG | The Geotechnical Group (Needham, MA) |
| TGG | The Gang Green (New York Jets website) |
| TGG | The Goal Getters (Canada; est. 1991) |
| TGG | Techno Global Graphics Co., Ltd. (Thailand) |
| TGG | The Go Game |
| TGG | The Golden Goblet (children's historical fiction book) |
| TGG | Temporary Geographic Grid |
| TGG | Third Generation Gyro |
| TGG | The Game Gallery (gaming website) |
| TGG | Training Grades Group (UK) |
| TGG | The Gun Geek (website) |