Roman Kryklia (born October 11, 1991) is a Ukrainian kickboxer who competes in the heavyweight division. Kryklia is the first and current ONE Kickboxing Light Heavyweight World Champion. He was the SUPERKOMBAT World Grand Prix Tournament Runner-Up in 2015, when he lost the final to Tarik Khbabez. Four years later, he knocked Khbabez out at the ONE Championship: Age Of Dragons.
As of 1 December 2019, Kryklia is ranked the #2 heavyweight in the world by Combat Press.