| John W. Young Round Barn | |
| Coordinates: | 42.1833°N -92.474°W |
| Area: | less than one acre |
| Built: | 1917 |
| Builder: | Joe Seda |
| Added: | June 30, 1986 |
| Refnum: | 86001444 |
The John W. Young Round Barn is an historic building located near Traer in rural Tama County, Iowa, United States. It was built in 1917 by Joe Seda as a general purpose barn.[1] The building is a true round barn that measures 65feet in diameter.[2] The structure is constructed in clay tile and features a two-pitch roof and an 18feet central silo that is 45feet high.[2] It has been listed on the National Register of Historic Places since 1986.