William "Bill" Alexander Switzer (September 21, 1920 – June 30, 1969) was a Canadian politician from Alberta. He served as a pilot in the Royal Canadian Air Force during the Second World War and upon returning to Canada was elected Mayor of Hinton, Alberta, and later a Member of the Legislative Assembly of Alberta from 1965 to 1969 as a member of the opposition in the Liberal caucus. Two years after his death the Government of Alberta named William A. Switzer Provincial Park in his honour.