| Spotts Round Barn | |
| Coordinates: | 43.0591°N -92.7247°W |
| Area: | less than one acre |
| Built: | 1914 |
| Architect: | Johnson Brothers Clay Works |
| Added: | June 30, 1986 |
| Refnum: | 86001430 |
The Spotts Round Barn is a historic building located near Charles City in rural Floyd County, Iowa, United States. It was built in 1914 as a dairy and horse barn. Its design was influenced by the Iowa Agricultural Experiment Station.[1] The building is a true round barn that measures 55feet in diameter.[2] It is constructed of clay tile from the Johnston Brothers Clay Works. It features a two-pitch roof, a large hay dormer on the north side and a 12feet central silo.[2] The barn has been listed on the National Register of Historic Places since 1986.