James Coats Auchincloss was an American businessman and Republican Party politician who represented northern coastal region of New Jersey in the United States House of Representatives from 1943–1965. His district consisted of Monmouth County, Ocean County, and the part of Middlesex County south of the Raritan River.

Hugh Dudley Auchincloss Jr. was an American stockbroker and lawyer. He became the second husband of Nina S. Gore, mother of Gore Vidal, and also the second husband of Janet Lee Bouvier, the mother of First Lady Jacqueline Kennedy Onassis and Caroline Lee Bouvier.