| Abbreviation | Definition |
|---|---|
| HGA | @aua}avk 3kx‚iux‚vve€k 1fcaukv 1oadetka |
| HGA | 0F8>=0;L=0O :045<8O 0C: |
| HGA | Hayastani Gitowt'yownneri Azgayin Akademia |
| HGA | National Academy of Sciences of Armenia |
| HGAS | Hendon Grove Allotment Society |
| HGS | Houston Geological Society |
| HGSA | Human Genetics Society of Australasia |
| HGSS | Harrogate Gilbert and Sullivan Society |
| HGSS | Human Genetics Student Society |
| HGVS | Human Genome Variation Society |
| HHCS | Hilton Head Choral Society |
| HHFS | Hagley Historical and Field Society |
| HHHS | Helping Hands Humane Society |
| HHPS | Hemel Hempstead Photographic Society |
| HHS | Hawaiian Historical Society |
| HHS | Historical Harp Society |
| HIB | Hi slenska Bkmenntaflag |
| HIB | Hið Íslenska Bókmenntafélag |
| HIB | Icelandic Literary Society |
| HIB | Íslenska Bókmenntafélag |