| Abbreviation | Definition |
|---|---|
| FSOS | Forest Sector Outlook Study |
| FSS | Forest Service Supply |
| FSSR | Forest Service Savannah River |
| FSSS | Forest Service Supplemental Specifications |
| FSTAG | Forest Service Trail Accessibility Guidelines |
| FSTB | Forest Science and Technology Board |
| FTA | Forest Trees and Agroforestry |
| FTA | Forests, Trees, and Agroforestry |
| FTBC | Forest Tree Breeding Center |
| FTBI | Forest Trends Biodiversity Initiative |
| FTE | Forest Trail Elementary |
| FTFC | Fort Thomas Forest Conservancy |
| FTFP | FAO Turkey Forestry Program |
| FTLAC | Forest Trust Land Advisory Committee (Oregon) |
| FTRP | Future of Tropical Rainforest Peoples |
| FTS | Forest Technology Systems |
| FUF | Friends of the Urban Forest |
| FUFC | Florida Urban Forestry Council |
| FVHS | Forest View High School |
| FVHS | Forest View High School, |