| Acronym | Definition |
|---|
| HGS➣Hinduja Global Solutions (Hinduja Group) |
| HGS➣Human Genome Sciences, Inc. (Rockville, Maryland) |
| HGS➣Hizli Geçis Sistemi (Turkish: Rapid Transit System) |
| HGS➣Hampstead Garden Suburb (UK) |
| HGS➣Hitachi Global Storage |
| HGS➣High Datarate Gateway Switch |
| HGS➣Harvard Graphics |
| HGS➣Houston Geological Society (Houston, TX; est. 1923) |
| HGS➣Handsworth Grammar School (UK) |
| HGS➣Halifax Grammar School (Halifax, Canada) |
| HGS➣Hydrogen Generation System (various companies) |
| HGS➣High Specific Gravity Solids |
| HGS➣Hangars |
| HGS➣Heads Up Guidance System |
| HGS➣Harrogate Grammar School (Yorkshire, England) |
| HGS➣Heckmondwike Grammar School (UK) |
| HGS➣Harrold-Gupta-Soffa (testing algorithm) |
| HGS➣Haig Girls' School (Singapore primary school) |
| HGS➣Haig Girls' School (Singapore) |
| HGS➣Hot Gay Sex |
| HGS➣Harvey Grammar School (Folkestone, Kent, England) |
| HGS➣Hrvatski Golf Savez (Croatian Golf Association) |
| HGS➣Henry George School of Social Sciences |
| HGS➣Helicopter Gunship |
| HGS➣Helicopter Generation Squadron |
| HGS➣Hutsonville Grade School (Illinois) |
| HGS➣Huntingdon Grammar School (UK) |
| HGS➣Hypergamous Genetic Search |
| HGS➣Hyperostosis Generalisata with Striations |