The Harrison County Courthouse, located in Logan, Iowa, United States, was built in 1911.

It was listed on the National Register of Historic Places in 1981 as a part of the County Courthouses in Iowa Thematic Resource.

The county raised the funds for its construction by selling town lots.

[2] The building was condemned as unsafe in 1873, and the county's third courthouse was built the same year.

[2] Offices for the county Auditor, Treasurer, Clerk, Recorder, Sheriff, and School Superintendent were on the first floor.

The central pavilion on each side is more ornate with its tall round-arch window set between Ionic columns in antis.

The low cupula on top features cut corners, three oculus windows on each face, and a curved tile roof.