The Octagon may refer to:
Places:
- The Octagon, Christchurch, a former church in the central city of Christchurch
- The Octagon, Dunedin, the city centre of Dunedin, New Zealand
- The Octagon (Washington, D.C.), historic octagon house in Washington, D.C., US
- The Octagon (Roosevelt Island, New York), historic octagonal building in Roosevelt Island, New York, US
- The Octagon (Heidelberg University), historic octagonal house in Tiffin, Ohio, US
In popular culture:
- The Octagon (film), a 1980 Chuck Norris movie
- The Octagon, the caged enclosure used for Ultimate Fighting Championship and similar mixed martial arts bouts
Read more about The Octagon: See Also