| Acronym | Definition |
|---|
| TGC | The Game Creators (forum) |
| TGC | The Global Community |
| TGC | Trustworthy Global Computing (Symposium) |
| TGC | The Golf Channel |
| TGC | Transmission Group Control |
| TGC | Türkiye Gazeteciler Cemiyeti (Turkish: Turkey Journalists Association) |
| TGC | Trading Card Game |
| TGC | The Golden Compass (Phillip Pullman book) |
| TGC | The Gospel Coalition |
| TGC | The Games Company Worldwide GmbH (Germany) |
| TGC | The Green Culture (California) |
| TGC | Thermal-Unit Growth Coefficient (aquaculture) |
| TGC | Tight Glycemic Control (treatment) |
| TGC | Tribal Gaming Commission (American Indians) |
| TGC | Toronto Green Community (Canada) |
| TGC | Take Good Care |
| TGC | The Great Cornholio (Beavis and Butthead) |
| TGC | The Growing Connection (UN Food and Agricultural Organization) |
| TGC | Triangle Game Conference (gaming industry) |
| TGC | Targeted Genetics Corporation (Seattle, WA) |
| TGC | Tradable Green Certificate |
| TGC | The Ganja Crew (gaming clan) |
| TGC | The Golden Child (movie) |
| TGC | Tauranga Girls College (New Zealand) |
| TGC | The Goliath Chronicles |
| TGC | The Gentlemen's Club |
| TGC | True Geometric Counterpart |
| TGC | The Genome Collective (distributed computing) |
| TGC | Toppan Graphic Communications (Japan) |
| TGC | The Gaming Club (Crystal Lake Central High School) |
| TGC | Time-Gain Compensation |
| TGC | Terminal Group Controller |
| TGC | Teodoro Group of Companies (Philippines) |
| TGC | The Gungan Council (Star Wars role-playing community) |
| TGC | Toastmasters' General Council |
| TGC | Total Guaranteed Cash (compensation) |
| TGC | Tana Gospel Choir (Madagascar) |
| TGC | Taiwan Garrison Command (Taiwan's security and intelligence organization until 1992) |
| TGC | Touch Guy Crew (Last.fm group) |
| TGC | The Gaming Center |
| TGC | Title Guarantee Company |
| TGC | Transglutaminase C |
| TGC | Trunk Group Cluster |
| TGC | The Grass Company (chain of coffeshops in the Netherlands) |
| TGC | Transmit Gain Control |
| TGC | Task Group Commander |
| TGC | Tokyo Gas Chemicals, Ltd. (est. 1973; Japan) |
| TGC | Time Gain Correction |
| TGC | Turbo Genset Company, Ltd. |
| TGC | Tender Gentle Care |
| TGC | Tactical Graphics Capability |
| TGC | Two-Group Classification |
| TGC | The Gate Crushers (TFC clan) |
| TGC | Tactical Gear Command (Huntsville, AL) |
| TGC | Thailand Glider Club (aviation) |
| TGC | Trunk Group Communications |
| TGC | Topeka Gospel Chapel |
| TGC | Trésorerie Générale de la Coopération (French: General Treasury of Cooperation) |
| TGC | Three Gauge Coupling (particle physics) |
| TGC | Tordjeman Gérard Consultant (French real estate agency) |