Yann Queffélec is a French writer. He is the son of Breton writer and screenwriter Henri Queffélec and the younger brother of pianist Anne Queffélec. He studied at a naval school.
Alongside fiction, Queffélec has written essays and song lyrics, including lyrics for Pierre Bachelet. He began his literary career relatively late, publishing a biography of composer Béla Bartók in 1981.
His novel Barbarian Weddings, a tragic story about a boy born as a result of rape and rejected by his mother, won the Prix Goncourt in 1985. Marion Hänsel adapted the novel as a film in 1987. Queffélec was married to pianist Brigitte Engerer, who died in 2012.