| Birth Name: | John Denny |
| Birth Date: | 4 April 1793 |
| Office: | Member of the Illinois House of Representatives |
| Term Start: | 1840 |
| Term End: | 1843 |
| Birth Place: | Mercer County, Kentucky |
| Death Place: | Seattle, Washington, U.S. |
| Children: | 2, including Arthur |
John Denny (May 4, 1793 - July 28, 1875) was an American pioneer and politician.
Born in Mercer County, Kentucky, Denny served in the Kentucky Volunteers regiment during the War of 1812. In 1816, Denny, his wife, and family moved to Washington County, Indiana and then to Putnam County, Indiana. Then, in 1835, Denny, his wife, and family settled in Knox County, Illinois. While living in Knox County, Illinois Denny served as justice of the peace. From 1840 to 1842, Denny served in the Illinois House of Representatives. He was a Whig and then a Republican. He settled in Seattle, Washington where he died. His son was Arthur A. Denny.[1] [2] [3]
John Street in Seattle was named after Denny by his sons.[4]