Mordred is the son and usurper of King Arthur in the Arthurian legend.

Mordred may also refer to:

Mordred (band), an American thrash/funk metal band from San Francisco Mordred (comics), a Marvel Comics character, enemy of the Black Knight Modred the Mystic, another Marvel Comics character Mordred Deschain, a character from Stephen King's The Dark Tower series Mordred, a character from Fate/Apocrypha as Saber of Red