John White Alexander (7 October 1856 – 31 May 1915) was an American portrait, figure, and decorative painter and illustrator.

They traveled to Venice, where he profited by the advice of Whistler, and then he continued his studies in Florence, Italy; the Netherlands; and Paris.

In 1881, he returned to New York City and speedily achieved great success in portraiture, numbering among his sitters Oliver Wendell Holmes, John Burroughs, Henry G. Marquand, R.A.L.

His first exhibition in the Paris Salon of 1893 was a brilliant success and was followed by his immediate election to the Société Nationale des Beaux Arts.

He was a member of the American Academy of Arts and Letters, and president of the National Society of Mural Painters.

Elizabeth was the daughter of James Waddell Alexander, president of the Equitable Life Assurance Society at the time of the Hyde Ball scandal.