The Black Knight is a frequently seen stock character across all manner of Arthurian and medieval tales. Sometimes he is an evil antagonist, other times a hero. This is frequently a name and outfit used by knights in disguise.
- In Le Morte d'Arthur by Thomas Malory, the Black Knight is the final of the colored knights (Red, Green, Blue, and Black) who challenge Gareth: "There sat a knight all armed in black harness, and his name was the Knight of the Black Laund."
- A Black Knight kills Arthur's squire and is then killed by Arthur in Perlesvaus
- The Knight of The Cart features a Black Knight who defeats Sir Calogrenant but is later defeated by Yvain when he picks up Calogrenant's quest.
- The Black Knight is an identity used by Lancelot in the Vulgate Lancelot.
- King Pellinore is cast as the Sable (black) Knight in Howard Pyle's retelling.
- In Tom a Lincoln by Richard Johnson, the Black Knight is the grandson of Arthur, son of Arthur's bastard Tom.
- In The Faerie Queen by Edmund Spencer, a black-clad giant is slain by King Arthur after he severs its arms and legs.
- Monty Python and the Holy Grail (1975) (film) features a black knight, perhaps inspired by Spencer, who guards a forest path and continues to fight even after losing both arms and legs.
- A heroic Black Knight appears in the film The Black Knight (film)
- A villainous Black Knight steals Excalibur in the movie serial The Adventures of Sir Galahad
- Morgan, Mordred's counterpart in the movie Knightriders, uses the title "the Black Knight"
