James Alexander George Smith McCartney, also known as J. A. G. S. McCartney or "Jags" McCartney, was a politician from the Turks and Caicos Islands. He was the first Chief Minister of the Turks and Caicos Islands and held that position from 31 August 1976 until 9 May 1980, when he died when the private plane he was in crashed near Vineland, New Jersey, while flying from Washington, D.C. to Atlantic City, New Jersey.