| GAA | Galvanizers Association of Australia | 澳大利亚电镀工协会 |
| GAA | Grenfell Association of America | 美国格伦费尔协会 |
| GAA | Georgia Apartment Association (Atlanta, GA) | 乔治亚公寓协会(佐治亚州亚特兰大) |
| GAA | Gainesville Apartment Association (Gainesville, FL) | 盖恩斯维尔公寓协会(佛罗里达州盖恩斯维尔) |
| GAA | Girls Athletic Association | 女子运动协会 |
| GAA | Galvanizers Association of Australia, Ltd. (Melbourne) | 澳大利亚镀锌工协会(墨尔本) |
| GAA | Gravure Association of America (Rochester, NY) | 美国凹印协会(纽约州罗切斯特) |
| GAA | Gastroenterology Administration Assembly (Medical Group Management Association) | 胃肠病学管理大会(医学组管理协会) |
| GAA | Gaelic Athletic Association | 盖尔体育协会 |
| GAA | Government Affairs Assessment (Lighthouse Consulting Group) | 政府事务评估(灯塔咨询集团) |
| GAA | Gateway Access Authorization | 网关访问授权 |
| GAA | General Agency Agreement | 一般代理协议 |
| GAA | German Agro Action | 德国农业行动 |
| GAA | Goals Against Average (Hockey) | 平均进球数(曲棍球) |
| GAA | Goal Against Average (hockey) | 平均进球数(曲棍球) |
| GAA | General Accredited Appraiser | 一般认可评估师 |
| GAA | Ground Area Attainable | 能到达的地域 |
| GAA | General Aviation Area | 通用航空区 |
| GAA | Guam Adventist Academy | 关岛基督复临会学院 |
| GAA | Grab All Association | 抓取所有关联 |
| GAA | Ga | 镓 |
| GAA | Goals Against Average | 目标与平均值 |
| GAA | General Aviation Activity | 通用航空活动 |
| GAA | Global Aids Alliance | 全球艾滋病联盟 |
| GAA | Gahan Aholics Anonymous | Gahan Aholics匿名 |
| GAA | Government Auditing Agency | 政府审计机构 |
| GAA | Greedy Approximation Algorithm | 贪婪近似算法 |
| GAA | Glasgow Airport Authority (Scotland, UK) | 格拉斯哥机场管理局(英国苏格兰) |
| GAA | Global Aquaculture Alliance | 养殖联盟 |
| GAA | Georgia Alternate Assessment | 格鲁吉亚替代评估 |
| GAA | General Appropriation Act | 一般拨款法案 |
| GAA | General Account of Advances | 预付款一般账户 |
| GAA | Gain Adjuster Adapter | 增益调节器适配器 |
| GAA | Glacial Acetic Acid | 冰醋酸 |
| GAA | Glucosidase, Alpha, Acid | 葡萄糖苷酶,α,酸 |
| GAA | Gay Activists Alliance | 同性恋活动家联盟 |
| GAA | Glacial Acrylic Acid | 冰丙烯酸 |
| GAA | Global Action on Ageing | 老龄问题全球行动 |
| GAA | Grease, Artillery, and Automotive | 润滑脂、火炮和汽车 |