National Historic Register properties in Ottumwa, Iowa

• Administration Building, U.S. Naval Air Station Ottumwa
• Agassiz School
• Benson Block
• Benson Building
• B'nai Jacob Synagogue
• Burlington Depot
• Court Hill Historic District
• Dahlonega School #1
• Fifth Street Bluff Historic District
• First National Bank
• Foster/Bell House
• Garner, J.W., Building
• Greater Second Street Historic District
• Historic Railroad District
• Hofmann Building
• Hotel Ottumwa
• Jay Funeral Home
• Jefferson Street Viaduct
• Mars Hill
• North Fellows Historic District
• Ottumwa Cemetery Historic District
• Ottumwa Public Library
• Ottumwa Young Women's Christian Association
• St. Joseph Hospital Historic District
• U.S. Post Office
• Vogel Place Historic District
• Wapello County Courthouse