Balliol College (/ˈbeɪliəl/ BAY-lee-əl) is a constituent college of the University of Oxford, England. Founded in 1263 by nobleman John I de Balliol, it has a claim to be the oldest college in Oxford and the English-speaking world.
With a governing body of a master and around 80 fellows, the college's main buildings are located on Broad Street with additional buildings to the east in Jowett Walk and Holywell Manor. As one of the larger colleges of Oxford University, Balliol typically has around 400 of both undergraduates and graduates. The college pioneered the PPE degree in the 1920s.