English abbreviations from gass to gax
- GASS (Gallery Accelerator Submission System)
- GASSP (Georgia Association of Secondary School Principals)
- GAT (Tallard Airport)
- GATA (Guide Assist Through Awareness)
- GATAI (Graphic Arts Teachers' Association of Illinois)
- GATB (General Aptitude Test Battery)
- GATE (Gaining Awareness Through Education)
- GA TECH (Georgia Institute of Technology)
- GATES (Gifted And Talented Educational Services)
- GATF (Graphic Arts Technical Foundation)
- GATI (Government Audit Training Institute)
- GATS (GPS-Aided Targeting System)
- GATSA (Georgia Association of the Technology Student Association)
- GATT (General Agreement on Tariffs and Trade (government))
- GAU (Lokpriya Gopinath Bordoloi International Airport)
- GAV (Gag Island Airport)
- GAW (Ghana Association of Writers)
- GAWCE (GOBI AutoWeb Custom Edition)
- GAWF (Grant- A- Wish Foundation)
- GAWFI (Grant- A- Wish Foundation, Inc.)
- GAWR (Gross Axle Weight Rating)
- GAWU (Ghana Agricultural Workers' Union)
- GAWW (Ghanaian Association for Women's Welfare)
- GAX (Gamba Airport)