What was the name of Sir Gawain's sword?

Sir Gawain’s sword was called Galatine. In Arthurian romance, Galatine is the enchanted weapon associated with Gawain, one of King Arthur’s most celebrated knights of the Round Table.

The name appears in several forms across later retellings and reference works, reflecting the fluid spelling of medieval romance names. Gawain himself is often portrayed as a formidable warrior whose strength increases with the sun, making his weapon a fitting counterpart to his heroic reputation.

Galatine is commonly confused with Excalibur, Arthur’s sword, or with famous weapons from other legends. Durandal belongs to Roland in the Matter of France, while Clarent is another sword associated with Arthurian tradition, sometimes described as a ceremonial blade or the weapon used by Mordred. These names are not alternate names for Gawain’s sword.