Dufay (disambiguation)

Guillaume Du Fay (c. 1397–1474) was a French composer and music theorist.

Dufay or du Fay may also refer to:

People

 * Charles François de Cisternay du Fay (1698–1739), French chemist
 * Claude Dufay (1926–2001), French entomologist, see Argyrogrammatini
 * Jean Dufay (1896–1967), French astronomer
 * Dufay (crater), a crater on the Moon named after Jean Dufay
 * Marie-Guite Dufay (born 1949), French politician
 * Rick Dufay (born 1952), French-American guitarist, Aerosmith
 * DuFay A. Fuller (1852–1924), American businessman and politician

Toponyms

 * Dufay River, a tributary of lake Buies, in Québec, Canada