James Nathaniel "Jim" Brown (born February 17, 1936) is an American former professional football player who has also made his mark as an actor and social activist. He is best known for his exceptional and record-setting nine-year career as a running back for the NFL Cleveland Browns from 1957 to 1965. In 2002, he was named by The Sporting News as the greatest professional football player ever.

James Nathaniel Brown was born to Theresa (a housekeeper) and Swinton Brown (a professional boxer).

At Manhasset High School, Brown earned 13 letters playing football, lacrosse, baseball, basketball and running track.