Red Knight (Welsh : Marchog Coch, Cornish : Marghek Rudh, Breton : Marc'heg Ruz) is a title borne by several characters in the Arthurian legend.
The Red Knight prominently appears in the tales of the hero Perceval as his early enemy.
Two different Red Knights appear in the tale of Gareth in Thomas Malory's Le Morte d'Arthur .