Bres was a mythic Irish king of the Tuatha Dé Danann. Bres may also refer to:

• Bres Rí, legendary Irish High King
• Guido de Bres (1522–1567), Walloon pastor, Protestant reformer and theologian
• Klaudia Breś (born 1994), Polish sport shooter
• Madeleine Brès (1842–1921), first French woman to obtain a medical degree
• Małgorzata Breś (born 1959), Polish fencer
• Bres., taxonomic author abbreviation of Giacomo Bresadola (1847–1929), Italian mycologist

• Saint-Brès (disambiguation), name or part of the name of several communes in France
• Brees (surname)
• Bress, a surname