| John Stevenson McDonald | |
| Office1: | Ontario MPP |
| Term Start1: | 1894 |
| Term End1: | 1898 |
| Predecessor1: | Walter MacMorris Dack |
| Successor1: | Andrew Malcolm |
| Constituency1: | Bruce Centre |
| Party: | Liberal - Patrons of Industry |
| Birth Date: | 31 October 1828 |
| Birth Place: | Ayrshire, Scotland |
| Death Place: | Bruce County, Ontario |
| Occupation: | Farmer |
| Spouse: | Jean Robinson |
John Stevenson McDonald (October 31, 1828 - February 15, 1917) was a Scottish-born Ontario farmer and political figure. He represented Bruce Centre in the Legislative Assembly of Ontario as a Liberal-Patrons of Industry member from 1894 to 1898.
He was born in Ayrshire, Scotland and educated at Sorn. He served on the council for Huron Township, Ontario, serving as reeve from 1888 to 1891, and was also warden for Bruce County. He also served as treasurer for the township.