| Term | Full Form | Category |
|---|---|---|
| GGMC | Galloping Goose Motorcycle Club | Others |
| GGMC | Golden Gate Men's Chorus (San Francisco, CA) | Others |
| GGMC | Gourav Guin Memorial College | Others |
| GGMC | Granite Gneiss Migmatite Complex | Others |
| GGMC | Greensboro Gem and Mineral Club | Others |
| GGMC | Gulf Glass Manufacturing Company | Others |
| GGMC | Guyana Geology and Mines Commission | Others |