The Octagon Centre, built in 1983, is a multi-purpose conference centre and music venue at the University of Sheffield, England. Situated in the Western Bank campus, it is joined by a skyway to University House and comprises an eight-sided auditorium with a capacity of 1500 (1000 seated), offices, meeting rooms, and a lounge with bar and patio. The Octagon is used for a variety of purposes, including examinations, lectures, graduation ceremonies, conferences, music concerts and club nights.