| FSAO | Family Services & Assistance Officer | 家庭服务及协助主任 |
| FSAO | Federal Student Aid Ombudsman | 联邦学生援助监察员 |
| FSAO | Freshwater Switchyard of the Arctic Ocean | 北冰洋淡水开关站 |
| FSAO | Foreign Student Admissions Office | 外国学生招生办公室 |
| FSAO | Faculty and Staff Assistance Office | 教职员工援助办公室 |
| FSAO | Ford South America Operations | 福特南美运营部 |
| FSAO | Fire Safety in Assembly Occupations | 集会场所的消防安全 |