English abbreviations from gaa to gad
- GAA (Guamal Airport)
- GAAB (Graduate Academic Appeals Board)
- GAAC (Gardeners Arms Angling Club)
- GAAE (Georgia Association of Alternative Educators)
- GAAIASA (Georgia Association of American Industrial Arts Student Association)
- GAAP (Generally Accepted Accounting Principles)
- GAAR (General Anti-Avoidance Rule (tax evasion))
- GAAS (Ghana Academy of Arts and Sciences)
- GAAT (General Agreement on Tariffs and Trade)
- GAB (Gabon (ISO 3166 trigram))
- GABA (Ghana Amateur Boxing Association)
- GABC (Grafton Athletic Boosters Club)
- GABL (Grace Alumni Basketball League)
- GABM (Global Association of Billionaires and Millionaires)
- GABR (Green Acres Boxer Rescue)
- GAC (Gracias Airport)
- GACC (Ground Attack Control Center)
- GACE (Georgia Advisory Council on Education)
- GACIS (Georgia Association of Curriculum and Instructional Supervisors)
- GACL (Georgia Advisory Council on Libraries)
- GAD (Generalized Anxiety Disorder)