George Hamilton, 3rd Earl of Abercorn (c. 1636 – bef. 1683, Padua) was a Scottish nobleman, the son of James Hamilton, 2nd Earl of Abercorn and Katherine Clifton, 2nd Baroness Clifton. He died, unmarried, in Padua on his way to Rome and was succeeded by his second cousin once removed, Lord Hamilton of Strabane.