ONE Championship Athlete Rankings, which were introduced in April 2020, are generated by a system of artificial intelligence, to determine the best fighters in each weight class and sport. This system originally had a panel of media members, who were asked to vote for whom they feel are the top fighters in ONE Championship by weight class and pound-for-pound from mixed martial arts, kickboxing and Muay Thai. Currently, there are only rankings for the Muay Thai divisions of men's flyweight, bantamweight, featherweight, and women's strawweight.
ONE Championship’s official athlete rankings were determined by an independent panel of sports media members and industry experts following each event. The panel ranks the athletes on criteria including wins and losses, their most recent performances, and quality of competition. The committee consists of:
Rounding out the panel had former athletes Rich Franklin, Adam Kayoom, and Ann Osman rank athlete with the same criteria.
Ever since the re-introduction of the Athlete Rankings in 2026, ONE has switched to an artificial intelligence-powered set of rankings.
The rankings for the ONE's fighters are both recorded and updated when information has been obtained from the ONE's website.
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Upper weight limit • 155 lb / 70.3 kg
| Rank | ISO | Fighter | Record | M | Win Streak | Last fight | Next fight | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Result | Event | Opponent | Event | Opponent | ||||||
| C | Nico Carrillo | 31–4–1 | 4 (0 def.) |
Win | ONE Fight Night 46 | Zhou Jiaqiang | The Inner Circle 46 | Nabil Anane | ||
| 1 | Tawanchai P.K. Saenchai | 134–32–2 | 0 | Loss | ONE Friday Fights 137 | Liu Mengyang | December 2025 – Shin bone surgery | |||
| 2 | Shadow Singha Mawynn | 82–25–1 (1) | 0 | Loss | ONE Fight Night 40 | Nico Carrillo | TBD | |||
| 3 | Mohammad Siasarani | 28–14 | 0 | Loss | ONE Samurai 4 | Masaaki Noiri | TBD | |||
| 4 | Ricardo Bravo | 28–5 | 1 | Win | ONE Fight Night 47 | Mohamed Younes Rabah | TBD | |||
| 5 | Bampara Kouyaté | 36–3 | 0 | Loss | ONE Fight Night 35 | Shadow Singha Mawynn | TBD | |||
Upper weight limit • 145 lb / 65.8 kg
| Rank | ISO | Fighter | Record | M | Win Streak | Last fight | Next fight | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Result | Event | Opponent | Event | Opponent | ||||||
| C | Yod-IQ Or.Pimolsri | 128–36 | 11 (0 def.) |
Win | The Inner Circle 30 | Rambolek Chor.Ajalaboon | TBD | |||
| 1 | Rambolek Chor.Ajalaboon | 68–15 | 0 | Loss | The Inner Circle 30 | Yod-IQ Or.Pimolsri | TBD | |||
| 2 | Suakim Pongsuphan P.K. | 111–25–3 | 7 | Win | The Inner Circle 25 | Nabil Anane | TBD | |||
| 3 | Nabil Anane | 42–7–1 (1) | 1 | Win | ONE Samurai 4 | Yuki Yoza | The Inner Circle 46 | Nico Carrillo | ||
| 4 | Abdulla Dayakaev | 24–3 | 2 | Win | The Inner Circle 25 | Superlek Kiatmuu9 | TBD | |||
| 5 | Kiamran Nabati | 23–1 (1) | 1 | Win | The Inner Circle 31 | Nonthachai Jitmuangnon | TBD | |||
Upper weight limit • 135 lb / 61.2 kg
| Rank | ISO | Fighter | Record | M | Win Streak | Last fight | Next fight | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Result | Event | Opponent | Event | Opponent | ||||||
| C | Asadula Imangazaliev | 13–0 | 13 (0 def.) |
Win | The Inner Circle 20 | Aslamjon Ortikov | The Inner Circle 39 | Aslamjon Ortikov | ||
| 1 | Aslamjon Ortikov | 24–1 | 0 | Loss | The Inner Circle 20 | Asadula Imangazaliev | The Inner Circle 39 | Asadula Imangazaliev | ||
| 2 | Rodtang Jitmuangnon | 274–44–10 | 0 | Loss | ONE Samurai 1 | Takeru Segawa | The Inner Circle 38 | Nong-O Hama | ||
| 3 | Nong-O Hama | 268–59–10 | 1 | Win | The Inner Circle 20 | Kongthoranee Sor.Sommai | The Inner Circle 38 | Rodtang Jitmuangnon | ||
| 4 | Shimon Yoshinari | 38–4 (1) | 3 | Win | ONE Samurai 3 | Suablack Tor.Pran49 | The Inner Circle 38 | Ramadan Ondash | ||
| 5 | Ramadan Ondash | 14–3 | 2 | Win | The Inner Circle 24 | Johan Ghazali | The Inner Circle 38 | Shimon Yoshinari | ||
Upper weight limit • 115 lb / 52.2 kg
| Rank | ISO | Fighter | Record | M | Win Streak | Last fight | Next fight | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Result | Event | Opponent | Event | Opponent | ||||||
| C | Allycia Rodrigues | 36–6 | 4 (5 def.) |
Win | The Inner Circle 19 | Phetjeeja Lukjaoporongtom | TBD | |||
| 1 | Phetjeeja Lukjaoporongtom | 210–7–3 | 0 | Loss | The Inner Circle 19 | Allycia Rodrigues | TBD | |||
| 2 | Vero Nika | 22–3 | 4 | Win | The Inner Circle 15 | Kana Morimoto | TBD | |||
| 3 | Stamp Fairtex | 65–18–5 | 1 | Win | ONE Fight Night 47 | Selina Flores | TBD | |||
| 4 | Selina Flores | 9–2 | 0 | Loss | ONE Fight Night 47 | Stamp Fairtex | TBD | |||
| 5 | Yu Yau Pui | 30–5 | 1 | Win | ONE Fight Night 48 | Marie McManamon | TBD | |||