| Alexander McLaren | |
| Office1: | Ontario MPP |
| Term Start1: | 1894 |
| Term End1: | 1898 |
| Predecessor1: | William Parker Hudson |
| Successor1: | Samuel Russell |
| Constituency1: | Hastings East |
| Party: | Liberal-Patron |
| Birth Date: | 10 December 1859 |
| Birth Place: | Melrose, Hastings County, Canada West |
| Death Place: | Belleville, Ontario |
| Occupation: | Farmer |
Alexander McLaren (December 10, 1859 - July 2, 1916) was an Ontario farmer and political figure. He represented Hastings East in the Legislative Assembly of Ontario as a Liberal-Patrons of Industry member from 1894 to 1898.
He was born in Melrose, Hastings County. He died in Belleville in 1916.[1]