| Abbreviation | Definition |
|---|---|
| FCC | Funwaa Conservation Corporation |
| FCCA | Foresty Communications Conservation Association |
| FCCE | Finnup Center for Conservation Education |
| FCCL | Fish Conservation and Culture Laboratory |
| FCF | Feline Conservation Federation |
| FCIP | Facility Conservation Improvement Program |
| FCMA | Forest Conservation Management Agreement |
| FCMZ | Fisheries Conservation and Management Zone |
| FCS | Fluid Conservation Systems |
| FFWC | Florida Fish and Wildlife Conservation |
| FFWCC | Florida Fish and Wildlife Conservation Commission |
| FIMH | Forever In My Heart |
| FL | Frozen Limit |
| FMAC | Fisheries Management And Conservation |
| FMBC | Freshwater Mollusk Biology and Conservation |
| FOCI | Features of conservation importance |
| FOIR | Friends of the Illinois River (Springfield, IL) |
| FRCAC | Fisheries Resource Conservation and Assessment Council (Australia) |
| FREC | Forest Resources and Environmental Conservation |
| FROGS | Forbid Roads Over Green Spaces |