HLCG
| Acronym | Definition |
|---|---|
| HLCG | High Level Communications Group |
| HLCG | High Level Contact Group for Drug Control (US and Mexico) |
| HLCG | Harvard Laboratory for Computer Graphics |
| HLCG | Homosexual and Lesbian Community of Greece |
| HLCG | High Level Consultative Group |
| HLCG | High Level Coordination Group |
| HLCG | High Level Coordinating Group |
| HLCG | Hervé Lavoignat Communication Global |
| HLCG | Higher Level Core Group (India) |
| HLCG | Highlander: the Card Game |