Peter H. McKenzie (April 14, 1845 – June 13, 1929) was a Canadian politician.

Born in Puslinch Township, Wellington County, Canada West, the son of Alexander McKenzie of Ross-shire, Scotland, and Jane McNaughton, of Stirlingshire, Scotland, McKenzie was educated at the Common School in Puslinch.

A farmer, McKenzie was a Liberal candidate for Bruce West in 1896, but he was defeated.

He was President of the Lucknow Agricultural Society and the South Bruce Farmers Institute.

This article about a Liberal Party of Canada Member of the Parliament of Canada is a stub.