| 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 |