| Hayden Building | |
| Location: | 20 E. Broad St., Columbus, Ohio |
| Built: | 1869 |
| Architect: | Nathan Kelley |
| Architecture: | Italianate/Classical Revival |
| Added: | June 11, 2009 |
| Area: | Less than one acre |
| Refnum: | 09000412 |
The Hayden Building, also known as the Hayden-Clinton Bank Building, is a historic building on Capitol Square in Downtown Columbus, Ohio. It was listed on the National Register of Historic Places in 2009. Built in 1869, it is one of the oldest remaining commercial buildings on Capitol Square. It was designed by Nathan Kelley, one of the architects of the Ohio Statehouse.[1]