| FSSD | Finance Systems Support & Development (UK) | 金融系统支持和发展(英国) |
| FSSD | Fire Safety and Shelter Department (Singapore) | 消防安全和避难所部(新加坡) |
| FSSD | Facilities Support and Services Division | 设施支持和服务部 |
| FSSD | Firing Section Status Display | 点火段状态显示 |
| FSSD | Foreign Service Selection Date | 外事服务选择日期 |
| FSSD | Sound | 声音 |