Daeron of was an elf dwelling in Doriath. He was the loremaster and minstrel of King Thingol, and was the greatest of his profession the Elves would know.
He loved Luthien, daughter of Thingol and Melian the Maia. He betrayed her and her lover, Beren to Thingol.
Little more is known about him, except that he departed from Doriath after Luthien's own departure, and travelled eastward.