Archibald Malcolm (Archie) Matheson was a Canadian politician who represented Vegreville in the Legislative Assembly of Alberta from 1921 until 1935. He was elected in the 1921 election and re-elected in 1926 and 1930 as a member of the United Farmers of Alberta (UFA), which was the governing party of his entire time in office.Despite this, Matheson frequently opposed government policy.