Hugh Auchincloss may refer to: Hugh D. Auchincloss Jr. (1897–1976), American merchant and businessman, step-father of U.S. first lady Jackie Bouvier Kennedy Hugh Auchincloss (immunologist) (born 1949), American immunologist Hugh D. Auchincloss Sr. (1858–1913), American merchant and businessman
See also Hugh Auchincloss Brown (1879–1975), electrical engineer Hugh Auchincloss Steers (1962–1995), American painter