Dufay
Dufay or you Fay is a surname and may refer to:
- Charles du Fay (Charles Dufay, 1698-1739 ), French scientist
- François Dufay (1963-2009), French journalist and writer; Chief editor of the news magazine L' Express
- Guillaume du Fay (ca. 1397-1474 ), Flemish composer, singer and music theorist
- Marie- Guite Dufay ( born 1949 ), French politician ( Parti Socialiste )
- Disambiguation