Kyoji Horiguchi

Japanese mixed martial artist

Kyoji Horiguchi is a Japanese mixed martial artist currently competing in the flyweight division of the Ultimate Fighting Championship. He formerly competed in the Flyweight and Bantamweight divisions of Rizin FF, where he was the inaugural Flyweight Champion and the inaugural and two-time Bantamweight Champion. He also competed in the Bantamweight division of Bellator MMA, where he was the Bantamweight World Champion. As of February 10, 2026, he is #5 in the UFC flyweight rankings.