Arthur Frederick Dobbs (31 March 1876 – 16 February 1955) was a Unionist politician in Northern Ireland. Born at , County Antrim, Dobbs studied at Wellington College, Berkshire, and King's College, Cambridge. During World War I, he served as a major with the . In 1921, he served as High Sheriff of Antrim. From 1929 to 1933, he was an Ulster Unionist Party member of the Senate of Northern Ireland; he was re-elected in 1937 and served until his death in 1955.