William Alexander McKenzie (January 29, 1874[1] – July 8, 1966[2] ) was a builder and political figure in British Columbia.
He represented Similkameen in the Legislative Assembly of British Columbia from 1918 to 1933 as a Conservative.
He was born in Puslinch, Ontario, the son of William McKenzie and the former Miss Mary Brown, and was educated there.
[3] McKenzie was first elected to the provincial assembly in a 1918 by-election held after Lytton Wilmot Shatford was named to the Canadian senate.
[3] McKenzie was defeated by Charles Herbert Percy Tupper when he ran for reelection in 1933.