Fawn McKay Brodie (September 15, 1915 – January 10, 1981) was a biographer and one of the first female professors of history at UCLA, who is best known for Thomas Jefferson: An Intimate History (1974), a work of psychobiography, and No Man Knows My History (1945), an early and still influential non-hagiographic biography of Joseph Smith, Jr., the founder of the Latter Day Saint movement.