Jonathan Dwight Jones (Rochester, July 19, 1987) is an American mixed martial artist under contract with the Ultimate Fighting Championship. He fights in the light heavyweight category, which is the current interim champion in 2016. He is a past champion of the division from 2011 to 2015: with nine consecutive title defenses was the most dominant champion of the category in the company's history.
Jones, who was also the youngest champion in the history of the UFC, he joined the organization after only four months after the start of his professional career and has partecipate as manager in the seventeenth season of the reality show The Ultimate Fighter. He was honored as Fighter of the Year at the Fighters Only World MMA Awards in 2011 and 2012 and as a Breakthrough Fighter of the Year in 2010. In the same year he was listed as twenty-five best fighters in the world under-25, more precisely at number three. In 2015 it has been included in the list of thirty under-30 stars of world sport compiled by Forbes magazine. For UFC official ranking is number two in the pound for pound ranking. The Arthur and Chandler Jones brothers are both professional football players.