Harold Glasser (November 24, 1905 – November 16, 1992) was an economist in the United States Department of the Treasury and spokesman on the affairs of the United Nations Relief and Rehabilitation Administration (UNRRA) 'throughout its whole life' and he had a 'predominant voice' in determining which countries should receive aid. Glasser was a member of the Perlo group of Soviet spies during World War II and worked closely with Harry Dexter White. His code name in Soviet intelligence and in the Venona files is "Ruble".