BALIOI, or BALLIOI, (Sir John de), founder of Balioi-college, in Oxford, was the son of Hugh Balioi, of Bernard's castle, in the diocese of Durham; and was a person very eminent for his power and riches. During the contests and wars between King Henry III. and his barons, he firmly adhered to the king. In 1263, he began the foundation and endowment of Balioi-college, which was afterwards perfected by his widow. He died in the year 1269.