Calvin Kattar (/ˈkeɪtər/ KAY-tər; born March 26, 1988) is an American professional mixed martial artist and owner of MMA promotion Combat Zone. He currently competes in the Featherweight division in the Ultimate Fighting Championship (UFC). A professional competitor since 2007, Kattar formerly competed for EliteXC. As May 21, 2024, he is #9 in UFC featherweight rankings