Marion Barber III, American football player

Marion Sylvester Barber III (born June 10, 1983) is a former American football running back who played in the National Football League (NFL) for seven seasons. After playing college football for the Minnesota Golden Gophers, he was drafted by the Dallas Cowboys in the fourth round of the 2005 NFL Draft. He was selected to the Pro Bowl in 2007 during his six-year tenure with the Cowboys. He played for the Chicago Bears in 2011.

He is the older brother of former Houston Texans safety Dominique Barber and Minnesota Golden Gophers linebacker Thomas Barber, and the son of former New York Jets running back Marion Barber, Jr. He is also a cousin of Peyton Barber.