The Octagon

• Octagon (disambiguation)
• Octagon Building (disambiguation)
• Octagon Theatre, Bolton
• Octagon Theatre, Perth
• The Octagon (Birmingham)
• The Octagon (Egypt)
• The Octagon (Heidelberg University)
• The Octagon (Roosevelt Island)
• The Octagon (album)
• The Octagon (film)
• The Octagon House
• The Octagon at Amherst College
• The Octagon, Christchurch
• The Octagon, Dunedin
• Ultimate Fighting Championship