Kyoji Horiguchi
| Kyoji Horiguchi | |
|---|---|
| Born | October 12, 1990 Takasaki, Gunma, Japan |
| Native name | 堀口恭司 |
| Other names | The Supernova (former), The Typhoon |
| Nickname | Karate Kid |
| Height | 5 ft 5 in (1.65 m) |
| Weight | 126 lb (57 kg; 9 st 0 lb) |
| Division | Bantamweight Flyweight |
| Reach | 66 in (168 cm) |
| Style | Shotokan Karate, Kickboxing, Shootfighting |
| Fighting out of | Coconut Creek, Florida, U.S. |
| Team | KRAZY BEE (2009–2015) American Top Team (2015–present) |
| Trainer | Norifumi Yamamoto Mike Brown |
| Rank | A-Class Shootist 2nd degree black belt in Shotokan Karate |
| Years active | 2010–present |
| Mixed martial arts record | |
| Total | 42 |
| Wins | 36 |
| By knockout | 15 |
| By submission | 6 |
| By decision | 15 |
| Losses | 5 |
| By knockout | 2 |
| By submission | 1 |
| By decision | 2 |
| No contests | 1 |
| Other information | |
| Website | https://horiguchikyoji.com/ |
| Mixed martial arts record from Sherdog | |
| YouTube information | |
| Channel | |
| Subscribers | 351 thousand |
| Views | 85 million |
| Last updated: February 8, 2026 | |
Kyoji Horiguchi (Japanese: 堀口 恭司, Horiguchi Kyōji; born October 12, 1990) 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.
A professional since 2010, Horiguchi competed from 2013 to 2016 in his first stint with the Ultimate Fighting Championship where he was a UFC Flyweight Championship challenger. He also competed in Shooto, where he was the Bantamweight Champion. He graduated from Sakushin Gakuin High School in Utsunomiya, Tochigi, Japan.