James Edington Montgomery O'Hair House

James Edington Montgomery O'Hair House, also known as the J.E.M. O'Hair House, is a historic home located in Monroe Township, Putnam County, Indiana. The original section was built about 1835, with an ell added in 1863. It is a two-story, Federal style brick I-house. It rests on a limestone foundation and has a side-gable roof. The interior was remodeled about 1880, and incorporates Eastlake movement design elements.

It was listed on the National Register of Historic Places in 1992.