| Harry Armstrong | |
| State Senate: | Ohio |
| State: | Ohio |
| District: | 17th |
| Term: | January 3, 1967-December 31, 1974 |
| Preceded: | Districts Created |
| Succeeded: | Oakley C. Collins |
| Party: | Republican |
| Birth Date: | 15 October 1915 |
| Birth Place: | Hocking County, Ohio |
| Death Place: | Logan, Ohio |
Harry L. Armstrong (October 15, 1915 – April 28, 2011) was a member of the Ohio Senate. He served the 17th District, which encompassed much of Southeastern, Appalachian, Ohio. He was responsible for many pieces of legislation that benefited Ohio State Parks and the coal industry. He served from 1967, when districts were created, until 1974.[1]
He died on April 28, 2011.[2]