ONE Championship is one of the world's premier combat sports promotions. Featuring an impressive mix of MMA, Muay Thai, Kickboxing, and grappling, the promotion is the first in class regarding catering to a wide variety of combat sports.
ONE Championship Men's MMA Champions
| Division | Champion | Since | Defenses |
|---|---|---|---|
| Mixed martial arts | |||
| Heavyweight265 lb (120.2 kg) | Oumar Kane | Nov 9, 2024 | 0 |
| Light Heavyweight225 lb (102.1 kg) | Anatoly Malykhin | Dec 3, 2022 | 0 |
| Middleweight205 lb (93.0 kg) | Mar 1, 2024 | 0 | |
| Welterweight185 lb (83.9 kg) | Christian Lee | Nov 19, 2022 | 0 |
| Lightweight170 lb (77.1 kg) | Aug 26, 2022 | 0 | |
| Featherweight155 lb (70.3 kg) | Tang Kai | Aug 26, 2022 | 1 |
| Bantamweight145 lb (65.8 kg) | Fabrício Andrade | Feb 25, 2023 | 1 |
| Flyweight135 lb (61.2 kg) | Yuya Wakamatsu | Mar 23, 2025 | 0 |
| Strawweight125 lb (56.7 kg) | Joshua Pacio | Mar 1, 2024 | 1 |
| Kickboxing | |||
| Light Heavyweight225 lb (102.1 kg) | Roman Kryklia | Nov 16, 2019 | 2 |
| Lightweight170 lb (77.1 kg) |   Vacant | Apr 3, 2025 | – |
| Featherweight155 lb (70.3 kg) | Superbon Singha Mawynn | Jan 6, 2025 | 0 |
| Masaaki Noiri (interim) | Mar 23, 2025 | 0 | |
| Bantamweight145 lb (65.8 kg) | Jonathan Haggerty | Nov 4, 2023 | 1 |
| Flyweight135 lb (61.2 kg) | Superlek Kiatmuukao | Jan 14, 2023 | 2 |
| Strawweight125 lb (56.7 kg) | Prajanchai P.K.Saenchai | Jun 28, 2024 | 0 |
| Jonathan Di Bella (interim) | Mar 23, 2025 | 0 | |
| Muay Thai | |||
| HeavyweightAbove 225 lb (102.1 kg) | Roman Kryklia | Dec 8, 2023 | 1 |
| Lightweight170 lb (77.1 kg) | Regian Eersel | Oct 22, 2022 | 3 |
| Featherweight155 lb (70.3 kg) | Tawanchai P.K.Saenchai | Sep 29, 2022 | 4 |
| Bantamweight145 lb (65.8 kg) | Nabil Anane | Jun 27, 2025 | 0 |
| Flyweight135 lb (61.2 kg) | Vacant | Nov 7, 2024 | - |
| Strawweight125 lb (56.7 kg) | Prajanchai P.K.Saenchai | Dec 22, 2023 | 1 |
| Submission grappling | |||
| Welterweight185 lb (83.9 kg) | Tye Ruotolo | Nov 4, 2023 | 2 |
| Lightweight170 lb (77.1 kg) | Kade Ruotolo | Oct 22, 2022 | 3 |
| Flyweight135 lb (61.2 kg) | Vacant | – | – |
| Division | Champion | Since | Defenses |
|---|---|---|---|
| Mixed martial arts | |||
| Strawweight125 lb (56.7 kg) | Xiong Jing Nan | Jan 20, 2018 | 7 |
| Atomweight115 lb (52.2 kg) | Denice Zamboanga | May 2, 2025 | 0 |
| Kickboxing | |||
| Strawweight125 lb (56.7 kg) | Jackie Buntan | Nov 9, 2024 | 0 |
| Atomweight115 lb (52.2 kg) | Phetjeeja Lukjaoporongtom | Mar 9, 2024 | 2 |
| Muay Thai | |||
| Strawweight125 lb (56.7 kg) | Stella Hemetsberger | Sep 6, 2025 | 0 |
| Atomweight115 lb (52.2 kg) | Allycia Rodrigues | Aug 28, 2020 | 3 |
| Submission grappling | |||
| Atomweight115 lb (52.2 kg) | Mayssa Bastos | Aug 3, 2024 | 1 |
FAQs on ONE Championship Champions
A. Oumar Kane is currently the heavyweight MMA champion in ONE Championship.
A. Anatoly Malykhin holds the Light Heavyweight and Middleweight Championship as of October 2025.
A. Demetrious 'Mighty Mouse' Johnson held the title of ONE Championship Flyweight MMA champion before his retirement from the sport.
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