| Maria and Franklin Wiltrout Polygonal Barn | |
| Location: | 0209 County Road 16, northwest of Corunna, Fairfield Township, DeKalb County, Indiana |
| Coordinates: | 41.4675°N -85.1839°W |
| Builder: | Reynolds, Frank |
| Architecture: | Fourteen-sided barn |
| Added: | April 2, 1993 |
| Area: | less than one acre |
| Refnum: | 93000183 |
Maria and Franklin Wiltrout Polygonal Barn, also known as the Alfred Barn, is a historic 14-sided barn located in Fairfield Township, DeKalb County, Indiana. Built in 1910, the structure is a two-story, wood-frame structure measuring 60 feet in width. It is topped by a two-pitch gambrel type roof with a 14-sided cupola. It is one of three 14-sided barns left in Indiana.[1]
It was added to the National Register of Historic Places in 1993.