Octagon House

Octagon House may refer to:

• Octagon house, a historical American house type built on an octagonal plan
• Octagon House (novel), a 1937 mystery by Phoebe Atwood Taylor
• The Octagon House, Washington, D.C.
• See List of octagon houses for individual examples

• The Octagon (disambiguation)
• Octagon Barn (disambiguation)
• Octagon Building (disambiguation)
• Octagonal Schoolhouse (disambiguation)