| Acronym | Definition |
|---|
| HLG➣Hybrid Log Gamma (digital broadcast format) |
| HLG➣High Level Group (NATO) |
| HLG➣Hannibal-Lagrange College (Missouri) |
| HLG➣Hand Launched Glider |
| HLG➣Headless Gutted (fish) |
| HLG➣Half-Life Guard (anti-cheat for half-life based games) |
| HLG➣Higher Level Government (various nations) |
| HLG➣Hawk Logistics Group |