Elizabeth Astor Winthrop Chanler, Mrs. John Jay Chapman (February 23, 1866 – June 5, 1937), was an American heiress and socialite during the Gilded Age.

Through her father, she was a descendant of Peter Stuyvesant, the last Dutch Director-General of New Amsterdam,[a] Wait Winthrop and Joseph Dudley.

[10] John Winthrop Chanler's will provided $20,000 a year for each child for life, enough to live comfortably by the standards of the time.

[2] Elizabeth died on June 5, 1937, and was buried at Saint Matthew's Episcopal Churchyard in Bedford, New York.

[15] In 1902, Elizabeth bought the former Livingston mansion, known as Edgewater, and located next to her childhood home, Rokeby, in Barrytown, New York, for $20,000 from the estate of the second owner, Robert Donaldson Jr.[25] In 1905, she and her husband moved into a new house, known as Sylvania,[26][27] that was designed by architect Charles A. Platt, and built on the hill above Edgewater.