| John Bennewies | |
| Office1: | Ontario MPP |
| Term Start1: | 1911 |
| Term End1: | 1919 |
| Predecessor1: | Valentine Stock |
| Successor1: | Peter Smith |
| Constituency1: | Perth South |
| Party: | Conservative |
| Birth Date: | 20 November 1863 |
| Birth Place: | Logan Township, Canada West |
| Death Place: | Brodhagen, Ontario |
| Occupation: | Businessman |
| Spouse: | Sophie Steiss (m. 1887) |
John Bennewies (November 20, 1863 - June 22, 1943) was an Ontario farmer and political figure. He represented Perth South in the Legislative Assembly of Ontario as a Conservative member from 1914 to 1919.
He was born in Logan Township, Canada West, the son of Ludwig Bennewies, a German immigrant. In 1887, he married Sophie Steiss. Bennewies served as reeve for McKillop and Logan townships. He was president of the Dublin Telephone Company.[1]
Bennewies died at his home in Brodhagen, Ontario in 1943, a year after retiring from the telephone service.[2] He is buried at St. Peters Lutheran Cemetery.