R. W. Gallagher was a steam turbine-powered tanker built in 1938 by Bethlehem Shipbuilding Corporation of Quincy for Standard Oil Company of New Jersey with intention of operating between the oil-producing ports of the southern United States and Mexico and the Northeast. The tanker spent her entire career in coastwise trade and was torpedoed and sunk on one of regular journeys in July 1942 by German submarine U-67.