Rances Barthelemy (born 25 June 1986 in Cuba) is a Cuban professional boxer.
He is a former two-weight world champion, having held the IBF junior lightweight title in 2014, and the IBF lightweight title from 2015 to 2016.
Rances has two brothers, Yan BartelemĂ and Leduan Barthelemy, who are also professional boxers.
Barthelemy was a standout amateur, competing in more than 200 fights and winning a Cuban junior national championship.Barthelemy defected to the United States prior to the 2008 Summer Olympics.
He left Cuba over frustration with how his brother Yan’s career was developing and the implications that it could have for his own future in the sport.