Robert Elwood Bly (December 23, 1926 – November 21, 2021) was an American poet, essayist, activist, and leader of the mythopoetic men's movement. His best-known prose book is Iron John: A Book About Men (1990), which spent 62 weeks on The New York Times Best Seller list and is a key text of the mythopoetic men's movement. He won the 1968 National Book Award for Poetry for his book The Light Around the Body.