John McLure Hamilton (January 31, 1853–September 9, 1936) was an Anglo-American artist. He was born in Philadelphia and began his art education at the Pennsylvania Academy of Fine Arts, under Thomas Eakins. Later he travelled to Europe and continued his education at the Ecole des Beaux Arts in Paris and at the Royal Academy in Belgium. Hamilton was noted for portraits, figure paintings and illustrations. While maintaining a permanent address in Philadelphia, he lived in England for fifty-eight years where he was official portrait painter to William Ewart Gladstone, prime minister of the United Kingdom.