William David McPherson (August 22, 1863 – May 2, 1929) was an Ontario barrister and political figure.
He was born in Moore Township, Lambton County, Canada West, the son of William McPherson, and educated in Strathroy.
McPherson was a Grand Master of the Orange Lodge for Canada.
After leaving the partnership he published The Law of Elections in Canada in 1905, evidencing his new interest in Canadian politics.
This article about an Ontario Progressive Conservative Party MPP is a stub.