Young Barney Aaron (born June 27, 1836 in Aldgate, London, England; died June 4, 1907, in Long Island, New York) was a bare-knuckle boxer. The son of Hall of Fame boxer Barney Aaron, he emigrated to the United States around 1853, and began boxing in 1856.
Aaron first became a U.S.
Lightweight Champion in 1857 defeating Jim Moneghan, and retook the title in 1867 against Sam Collyer.