| Tim Thering Octagon Barn | |
| Location Town: | near Plain, Wisconsin |
| Location Country: | United States |
| Completion Date: | 1907 |
| Style: | Octagon Mode |
The Tim Thering Octagon Barn built in 1907 is an historic octagonal barn built by Edgar Carpenter located north of Plain, Wisconsin. It is listed in Dale Travis' Wisconsin Round Barns List.[1]