| Acronym | Definition |
|---|
| HGA➣High-Gain Antenna |
| HGA➣Hokkaido Golf Association (Japan) |
| HGA➣Human Granulocytic Anaplasmosis (infectious disease) |
| HGA➣Handweavers Guild of America |
| HGA➣Human Growth Agent |
| HGA➣His Glory Alone (Christian rap group) |
| HGA➣High Gain Antenna |
| HGA➣Houston Golf Assossiation (Houston, TX) |
| HGA➣Host Government Agreement (foreign investing) |
| HGA➣Hammel Green and Abrahamson |
| HGA➣Hop Growers of America (Moxee, WA) |
| HGA➣Human Genetics Alert (watchdog group; London, UK) |
| HGA➣Higher Ground Academy (Minnesota) |
| HGA➣Homogentisic Acid |
| HGA➣Hercules Graphics Adapter |
| HGA➣Higher Grade Assistant (Life Insurance Corporation of India) |
| HGA➣Holy Guardian Angels (Reading, PA catholic church) |
| HGA➣Honor Guard Academy |
| HGA➣High Growth Area |
| HGA➣Heat Generating Assembly |
| HGA➣Hardware-carrier Group Alarm (CCS #7/ITU-T) |
| HGA➣Human Great Ape |
| HGA➣Hawaii Grommet Association (surfing) |
| HGA➣High-Speed Graphics Assembly |
| HGA➣High Grade Algorithm |