F
- Johannes Fabry — Fabry disease
- Gabriel Fahrenheit (1686–1736) — the Fahrenheit scale
- Ernst Falkbeer — Falkbeer Countergambit
- Gabriele Falloppio — Fallopian tube
- Michael Faraday — farad — SI unit of capacitance, faraday — cgs unit of current Faraday constant, Faraday effect, Faraday's law of induction, Faraday's law of electrolysis
- Guy Fawkes — guy
- Enrico Fermi — fermions, Fermi energy, Fermilab, Fermi paradox, fermium — chemical element, Fermi-Dirac statistics. fermi (obsolete name for femtometre)
- Enzo Ferrari — founder, Ferrari
- George Washington Gale Ferris, Jr. — Ferris wheel
- Richard Feynman — Feynman diagram
- Fib of the Picts, one of the seven sons of Cruthin — Fife
- Leonardo Fibonacci (1175–1250), Mathematician - Fibonacci Numbers
- Bobby Fischer — Fischer Defense
- Robert Fisk - Fisking
- Matthew Flinders - Flinders Bay, Flinders Chase National Park, Flinders Island, Flinders Ranges, Flinders River, Flinders Street Station, Flinders University, Flinders, Victoria (Australia)
- B.C. Forbes — Forbes magazine
- Henry Ford — Ford Motor Company
- Matthias N. Forney — Forney locomotive
- William Forsyth (1737–1804) — Forsythia
- Charles Fort — Forteana, Fortean Society, Fortean Times
- Emperor Francis Joseph of Austria-Hungary - Franz Josef Land
- Benjamin Franklin — Franklin stove, franklin — cgs unit of electric charge
- William Fox — 20th Century Fox
- Sigmund Freud — Freudian slip
- Guido Fubini (1879–1943), Math/Measurements - Fubini's Theorem
- Leonhart Fuchs (1501–1566) — Fuchsia
- Tetsuya "Ted" Fujita (1920–1998) — Fujita Scale
- Buckminster Fuller (1895–1983) — Fullerene
Read more about this topic: List Of Eponyms (A-K)