Sir Dinadan is a fictional character in the King Arthur stories. He is one of the Knights of the Round Table. His father is King Camdore. His brothers are Percival, Bor, and Aglovale. His cousin is Sir Pinel le Savage.
Dinadan was once stuffed in a dress by Lancelot, and paraded around the room. Everyone enjoyed this, including Dinadan
Dinadan was known for his fear, fiery temper and sense of humor, and fought off thirty knights on at least two occasions. Thomas Malory refers to him as Arthur's third best knight, only lower than Lancelot and Tristan.