Benjamin H. Kean (c. 1912 – 1993) was an American physician, author, researcher and Professor of Medicine at Weill Cornell Medicine, widely known for his treatment of the Shah of Iran. Kean was born in Valparaiso, Indiana, and grew up in West Orange, New Jersey and Manhattan. He graduated from the University of California at Berkeley, and earned a medical degree at Columbia University. Kean was an expert on tropical and rare diseases. He helped discover the cause of traveler's diarrhea and was also the personal doctor to the Shah of Iran who was in power during the 1970s. Kean was also a medical educator and author. Kean died at the age of eighty-one from colon cancer.