| Acronym | Definition |
|---|
| HGG➣Human Gamma Globulin (serology) |
| HGG➣Hypogammaglobulinemia (immunodeficiency disorder) |
| HGG➣Hook Gang God |
| HGG➣Hot Glue Gun (band) |
| HGG➣Hitchhikers Guide to the Galaxy (book by Douglas Adams) |
| HGG➣Hybrid Gel Grip |
| HGG➣Heritage Golf Group (San Diego, CA) |
| HGG➣Holy Ghost Girl (Canton Jones song) |
| HGG➣Hofheimer, Gartlir and Gross, LLP (law firm; New York, NY) |