Guglielmo Tocco (died in Naples, 22 September 1335)[citation needed] was the governor of the Greek island of Corfu in the 1330s and the founder of the Tocco dynasty.
Guglielmo was born the son of Pietro Tocco, a notary in Melfi, in the Angevin Kingdom of Naples.[citation needed] In 1330/1 he was named governor of Corfu by Philip I of Taranto.[1]
He was married twice. By his first marriage to Giovanna Torelli he had one son, Pietro Tocco, seneschal of Robert of Taranto and Count of Martina Franca.[citation needed] By his second marriage, to Margaret Orsini, the daughter of John I Orsini, Count palatine of Cephalonia, he had four children:[citation needed]