The Wapello County Courthouse in Ottumwa, Iowa, United States, was built in 1894. It was listed on the National Register of Historic Places in 1981 as a part of the County Courthouses in Iowa Thematic Resource. The courthouse is the fourth building the county has used for court functions and county administration. It is part of the Central Park area, which includes: Ottumwa Public Library, Ottumwa City Hall, and St. Mary of the Visitation Catholic Church.