The Octagon Center for the Arts is a non-profit community art center in the heart of downtown Ames, Iowa. A cornerstone of the cultural scene in Ames since 1966, the Octagon serves more than 30,000 people each year through art classes and outreach, rotating exhibits, a retail gallery shop, and the annual Octagon Art Festival.

The Octagon Center for the Arts is a 501(c)(3) non-profit organization funded in part through memberships, donations, and grants, including the City of Ames Commission on the Arts (COTA) and the Iowa Arts Council.