George Palaiologos Kantakouzenos (Greek: Γεώργιος Παλαιολόγος Καντακουζηνός; ca. 1390 – 1456/59[1]) was a Byzantine aristocrat, a member of the Kantakouzenos family, and adventurer. He is also known by the Turkish nickname Sachatai, which he earned in the service of the Despot Constantine early in his military career.[2]