The Foellinger Auditorium, located at 709 S. Mathews Avenue in Urbana, Illinois on the campus of the University of Illinois at Urbana-Champaign, is a concert hall and the university's largest lecture hall. It is the southernmost building on the main quad. Its size and its dome make it one of the university’s most recognizable buildings. The building was completed in 1907 and was designed by Clarence H. Blackall, a noted theatre designer, in the Beaux-Arts style.