George of Trebizond (Γεώργιος Τραπεζούντιος; 1395–1486) was a Byzantine Greek philosopher, scholar, and humanist.
He was born on the Greek island of Crete (then a Venetian colony known as the Kingdom of Candia), and derived his surname Trapezuntius from the fact that his ancestors were from the Byzantine Greek Trapezuntine Empire.
When he went to Italy is not certain; according to some accounts he was summoned to Venice about 1430 to act as amanuensis to Francesco Barbaro, who appears to have already made his acquaintance; according to others he did not visit Italy until the time of the Council of Florence (1438–1439).
He learned Latin from Vittorino da Feltre, and made such rapid progress that in three years he was able to teach Latin literature and rhetoric. His reputation as a teacher and a translator of Aristotle was very great, and he was selected as secretary by Pope Nicholas V, an ardent Aristotelian. The bitterness of his attac