| Acronym | Definition |
|---|
| TLG➣The Little Gym (Oakville, ON, Canada) |
| TLG➣Through the Looking Glass |
| TLG➣Thesaurus Linguae Graecae (project, UC Irvine, California) |
| TLG➣The Lost Generation |
| TLG➣The LEGO Group |
| TLG➣The Last Guardian (video game) |
| TLG➣The Lighthouse Group (various locations) |
| TLG➣The Lone Gunmen |
| TLG➣The Living God |
| TLG➣Technology Learning Group (Bellevue, WA) |
| TLG➣Technology Law Group, LLC (Washington, DC and Oklahoma City, OK) |
| TLG➣Technical Liaison Group |
| TLG➣The Livingston Group LLC (Washington, DC) |
| TLG➣The Loyalty Group (California) |
| TLG➣Two-Level Grammar |
| TLG➣Teaching and Learning Grant (various organizations) |
| TLG➣Traffic Load Generator |
| TLG➣Tail Landing Gear (aviation) |
| TLG➣The Lost Guys (Counter-Strike Clan) |
| TLG➣Tianjin Licorne Garments (China) |