Enid Haupt (née Annenberg, formerly Bensinger; May 13, 1906 – October 25, 2005) was an American publisher and philanthropist whose gifts supported horticulture, the arts, architectural and historic preservation, and cancer research.[1][2] She has been described as "the greatest patron American horticulture has ever known" by Gregory Long, the president of the New York Botanical Garden.[2]