Charles M. McDonald (1867 – October 6, 1936) was a Canadian politician who served in the Legislative Assembly of Saskatchewan and in the Parliament of Canada. He has the distinction of having served in both the House of Commons of Canada and the Senate of Canada for less than a year. McDonald was a pharmacist by profession. He was born in Scotland and immigrated to Canada. By the time of the 1901 census he was living in Prince Albert, Saskatchewan with his wife. McDonald died in Vancouver after a nine-month illness.