Guillaume Dufay Free sheet music
- Born: 5th August 1397
- Died: 27th November 1474
- Birthplace: Beersel, in the vicinity of Brussels, Belgium
Guillaume Dufay (Du Fay, Du Fayt) was a Netherlandish composer of the early Renaissance. As the central figure in the Burgundian School, he was the most famous and influential composer in Europe in the mid-15th century.