Harvey Harold McMahon (September 20, 1887[1] – November 17, 1959[2]) was a merchant and political figure in Saskatchewan.
He represented Gull Lake from 1939 to 1944 in the Legislative Assembly of Saskatchewan as a Liberal.
He was born in Millbrook, Ontario, the son of James Brown McMahon and Louise Cann, and was educated there.
[1] McMahon served six years on the town council for Shaunavon, Saskatchewan.
[3] McMahon was defeated when he ran for reelection to the provincial assembly in 1944.