FSED
| Acronym | Definition |
|---|---|
| FSED | Full Scale Engineering Development |
| FSED | Food Service Equipment Day (Twitter hashtag) |
| FSED | Foundation for Sustainable Enterprise and Development (Ontario, Canada) |
| FSED | Foundation for Sustainable Economic Development (est. 2000; Australia) |
| FSED | Free-Standing Emergency Department (healthcare) |
| FSED | Forum Secretariat Energy Division |
| FSED | Fire Support Engineering Division |