| AFFS | Association For Free Software | 自由软件协会 |
| AFFS | Army Flight Following Service | 陆军飞行跟踪服务 |
| AFFS | Armed Forces of the Federated Suns | 太阳联邦武装部队 |
| AFFS | Academy for Future Science (Los Gatos, CA) | 未来科学学院（加利福尼亚州洛斯加托斯） |
| AFFS | Army Field Feeding System | 陆军野战补给系统 |
| AFFS | Amphibious Floating Bridge and Ferry System (India) | 两栖浮桥和轮渡系统（印度） |
| AFFS | Air Force Family Services | 空军家庭服务 |
| AFFS | Airborne Fire Fighting System | 机载消防系统 |
| AFFS | Academy For Future Science | 未来科学学院 |
| AFFS | Advocates for Fair Family Support | 公平家庭支持倡导者 |