| Acronym | Definition |
|---|
| FSSD➣Fox Sports San Diego (San Diego, CA) |
| FSSD➣Franklin Special School District (Franklin, TN) |
| FSSD➣Fairfield-Suisun Sewer District (Fairfield, CA) |
| FSSD➣Fédération Suisse de Speeddown (French: Swiss Speeddown Federation; Switzerland) |
| FSSD➣Framework for Strategic Sustainable Development (sustainability consulting method) |
| FSSD➣Fire Safety and Shelter Department (Singapore) |
| FSSD➣Finance Systems Support & Development (UK) |
| FSSD➣Fort Smith School District (Arkansas) |
| FSSD➣Foreign Service Selection Date |
| FSSD➣Future Shock San Diego (dance collective; California) |
| FSSD➣Firing Section Status Display |
| FSSD➣Facilities Support and Services Division |