Jiří Procházka (Czech: [ˈjɪr̝iː ˈproxaːska] (listen); [ˈjɪrka] (listen); born October 14, 1992) is a Czech mixed martial artist. He currently competes in the Light Heavyweight division in the Ultimate Fighting Championship (UFC), where he is the current UFC Light Heavyweight Champion. He was the inaugural Rizin Fighting Federation Light Heavyweight Champion and the inaugural Gladiator Fighting Championship Light Heavyweight Champion.