Ralph Knox | |
|---|---|
| Ontario MPP | |
| In office 1963–1967 | |
| Preceded by | Bryan Cathcart |
| Succeeded by | Riding abolished |
| Constituency | Lambton West |
| Personal details | |
| Born | January 1, 1905 Asphodel Township, Ontario |
| Died | March 24, 1981 (aged 76) Lambton County, Ontario |
| Political party | Progressive Conservative |
| Spouse | Eva Lillian |
| Occupation | Teacher |
John Ralph Knox (January 1, 1905 – March 24, 1981) was a politician in Ontario, Canada. He was a Progressive Conservative member of the Legislative Assembly of Ontario from 1963 to 1967 who represented the southwestern riding of Lambton West.