| IAAA | International Association of Astronomical Artists | 国际天文艺术家协会 |
| IAAA | Idaho Agricultural Aviation Association | 爱达荷州农业航空协会 |
| IAAA | International American Albino Association | 国际美国白化病协会 |
| IAAA | Inter- American Accounting Association | 美洲会计协会 |
| IAAA | Integrated Active Antenna Array | 集成有源天线阵列 |
| IAAA | Integrated Advanced Avionics for Aircraft | 飞机综合先进航空电子设备 |
| IAAA | Integrated Advanced Avionics/Aerospace | 航空航天综合先进 |
| IAAA | I Am An Attorney | 我是律师 |
| IAAA | I Am An Accountant | 我是会计 |