Octagon Building

Octagon Building can refer to:

Philippines

 * Octagon (Ortigas Center), in Pasig, Metro Manila
 * A building on the campus of Polytechnic University of the Philippines Santo Tomas

United Kingdom

 * Octagon, Birmingham, a residential skyscraper under construction in Birmingham, England
 * The main building at University College London

United States

 * Octagon Building (Santa Cruz, California)
 * Octagonal Building (Mexico), part of the Mexico exhibit at the 1884 World Cotton Centennial fair in New Orleans, Louisiana
 * The Octagon at Amherst College, Massachusetts
 * Andrew Gildersleeve Octagonal Building, Mattituck, New York
 * The Octagon (Roosevelt Island), New York
 * The Octagon (Heidelberg University), Tiffin, Ohio

Elsewhere

 * The Octagon (Egypt), defense headquarters for the Egyptian Ministry of Defense, in the New Administrative Capital, Egypt
 * The Octagon, Christchurch, a former church in Christchurch, New Zealand