Aaron Lewis Brown, Jr. (November 16, 1943 – November 15, 1997) was an American football defensive lineman born in Port Arthur, Texas. Brown played for the Kansas City Chiefs from 1966 to 1972 and Green Bay Packers from 1973 to 1974. Brown is an alumnus of the University of Minnesota.
Brown was selected by the Kansas City Chiefs with their first round selection in the 1966 American Football League Draft and later that year Brown participated in the first AFL-NFL World Championship game with the team (later known as the Super Bowl). Three years later, Brown was on the 1969 Chiefs' team that won the final AFL-NFL World Championship.
He died on November 15, 1997 in Houston, Texas when struck from behind by a motorist after walking home.