Friedel is a Southern German diminutive variation of the surname Fried, and may refer to:
Four French scientists with the same Friedel family name are in direct lineage, Charles, Georges, Edmond and Jacques:
Charles Friedel (1832–1899), French chemist known for the Friedel-Crafts reaction
Georges Friedel (1865–1933), French crystallographer and mineralogist; son of Charles
Edmond Friedel (1895–1972), French Polytechnician and mining engineer, founder of BRGM, the French geological survey; son of Georges
Jacques Friedel, (1921–2014), French physicist; son of Edmond, see the French site for Jacques Friedel
Other people:
Brad Friedel, American international football (soccer) goalkeeper
Frederic Friedel, produced documentaries for German TV
Glenn Friedel (1972– ), American artist (photograms)
Samuel Friedel, former U.S. Congressman who represented the 7th congressional district of Maryland
Joshua Friedel, American professional chess player
Friedel's law, named after Georges Friedel, the crystallographer, is a property of Fourier transforms of real functions
Friedel's salt, discovered by Georges Friedel, is an anion exchanger mineral belonging to the family of the layered double hydroxides (LDHs)