Joshua Lawrence "Josh" Barnett (born November 10, 1977) is an American mixed martial artist, professional wrestler and color commentator currently signed to Bellator MMA, competing in their Heavyweight division. Barnett previously competed for the Ultimate Fighting Championship (UFC), where he is a former UFC Heavyweight Champion. In 2003, Barnett won the King of Pancrase Openweight Championship and was a finalist in both the 2006 PRIDE Openweight Grand Prix and the 2012 Strikeforce Heavyweight Championship Grand Prix. He has also competed in Affliction, World Victory Road, DREAM and Impact FC. In Brazilian jiu-jitsu, Barnett won the inaugural Metamoris Heavyweight Championship in 2014.
As a professional wrestler, Barnett made his in-ring debut in 2003 in the main event of New Japan Pro Wrestling's annual January 4 Tokyo Dome Show, in a bout against IWGP Heavyweight Champion Yuji Nagata. Since then he has also wrestled for Inoki Genome Federation and Total Nonstop Action Wrestling. In January 2015, Barnett began working as a color commentator for NJPW's weekly program on America's AXS TV.