William H. H. Graham House

William H. H. Graham House, also known as the Stephenson Mansion, is a historic home located in the Irvington Historic District, Indianapolis, Marion County, Indiana. It was built in 1889, and is a $2 1/2$-story, four-bay Colonial Revival style frame dwelling. The house features a front portico supported by four, two-story Ionic order columns added in 1923, and a two-story bay window. In the 1920s it was the home of D. C. Stephenson, head of the Indiana Ku Klux Klan.

It was added to the National Register of Historic Places in 1982.