Kaoklai Kaennorsing (Thai: ก้าวไกล แก่นนรสิงห์, born September 13, 1983) is a Thai light heavyweight Muay Thai kickboxer. He is also the winner of K-1 World Grand Prix 2004 in Seoul tournament, and the former champion of Rajadamnern Stadium at two weight divisions, and the current world champion of WBC Muay Thai at light heavyweight. At the time of his K-1 debut, on July 17, 2004 in Seoul, Kaoklai weighted 78 kg (170 lb; 12.3 st), the lightest and youngest fighter ever to win the K-1 Super Heavyweight tournament. His name Kaoklai means in Thai "to have a good future".