Encyclopedias, Almanacs, Transcripts, and Maps
- Florida Agricultural and Mechanical University
- Florida International University
- Florida National Scenic Trail
- Florida State University
- Floridablanca, José Moñino, conde de
- Flórina
- Floris, Frans
- Florissant Fossil Beds National Monument
- Flory, Paul John
- flowering almond
- flowering maple
- flowering quince
- flu
- Flüe, Nicholas von der, Saint
- fluidics
- fluorodeoxyuridine
- fluorspar
- fluxional molecules
- Flygare-Carlén, Emilie
- flying boat