| FAAO | Fellow of American Academy of Optometrists (USA) | 验光师学院院士 |
| FAAO | Fellow of the American Academy of Optometry | 美国眼科学会院士 |
| FAAO | Field Artillery Air Observer | 野战炮兵空中观察员 |
| FAAO | Fellow of the American Academy of Osteopathy | 美国骨病学会院士 |
| FAAO | Free-Atom Atomic Orbital | 自由原子原子轨道 |
| FAAO | Federal Aviation Administration Order | 联邦航空管理局令 |