A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
This is a list of ONE Championship champions in each weight division of each sport.[1]
Current champions
| Division | Champion | Since | Ref. | Defenses | ||
|---|---|---|---|---|---|---|
| Mixed martial arts | ||||||
| Heavyweight 265 lb (120.2 kg) |
 Anatoly Malykhin
|
June 23, 2023 | [2] | 0 | ||
| Light Heavyweight 225 lb (102.1 kg) |
December 3, 2022 | [3] | 0 | |||
| Middleweight 205 lb (93.0 kg) |
March 1, 2024 | [4] | 0 | |||
| Welterweight 185 lb (83.9 kg) |
 Christian Lee
|
November 19, 2022 | [5] | 0 | ||
| Lightweight 170 lb (77.1 kg) |
August 26, 2022 | [6] | 0 | |||
| Featherweight 155 lb (70.3 kg) |
 Tang Kai
|
August 26, 2022 | [7] | 1 | ||
| Bantamweight 145 lb (65.8 kg) |
 Fabrício Andrade
|
February 25, 2023 | [8] | 0 | ||
| Flyweight 135 lb (61.2 kg) |
Demetrious Johnson
|
August 27, 2022 | [9] | 1 | ||
| Strawweight 125 lb (56.7 kg) |
 Joshua Pacio
|
March 1, 2024 | [10] | 0 | ||
| Kickboxing | ||||||
| Light Heavyweight 225 lb (102.1 kg) |
 Roman Kryklia
|
November 16, 2019 | [11] | 2 | ||
| Lightweight 170 lb (77.1 kg) |
 Alexis Nicolas
|
April 6, 2024 | - | 0 | ||
| Featherweight 155 lb (70.3 kg) |
 Chingiz Allazov
|
January 14, 2023 | [12] | 1 | ||
| Bantamweight 145 lb (65.8 kg) |
 Jonathan Haggerty
|
November 4, 2023 | [13] | 0 | ||
| Flyweight 135 lb (61.2 kg) |
 Superlek Kiatmookao
|
January 14, 2023 | [14] | 2 | ||
| Strawweight 125 lb (56.7 kg) |
Vacant | – | – | – | ||
| Muay Thai | ||||||
| Heavyweight 265 lb (120.2 kg) |
Roman Kryklia
|
December 8, 2023 | [15] | 0 | ||
| Lightweight 170 lb (77.1 kg) |
 Regian Eersel
|
October 22, 2022 | [16] | 2 | ||
| Featherweight 155 lb (70.3 kg) |
Tawanchai P.K.Saenchai
|
September 29, 2022 | [17] | 3 | ||
| Bantamweight 145 lb (65.8 kg) |
Jonathan Haggerty
|
April 22, 2023 | [18] | 1 | ||
| Flyweight 135 lb (61.2 kg) |
Rodtang Jitmuangnon
|
August 2, 2019 | [19] | 5 | ||
| Strawweight 125 lb (56.7 kg) |
Prajanchai P.K.Saenchai
|
December 22, 2023 | 0 | |||
| Submission grappling | ||||||
| Welterweight 185 lb (83.9 kg) |
Tye Ruotolo
|
November 4, 2023 | [20] | 1 | ||
| Lightweight 170 lb (77.1 kg) |
Kade Ruotolo
|
October 22, 2022 | [21] | 3 | ||
| Flyweight 135 lb (61.2 kg) |
Mikey Musumeci
|
October 1, 2022 | [22] | 3 | ||
| Division | Champion | Since | Ref. | Defenses | ||
|---|---|---|---|---|---|---|
| Mixed martial arts | ||||||
| Strawweight 125 lb (56.7 kg) |
Xiong Jing Nan
|
January 20, 2018 | 7 | |||
| Atomweight 115 lb (52.2 kg) |
Stamp Fairtex
|
September 30, 2023 | [23] | 0 | ||
| Kickboxing | ||||||
| Atomweight 115 lb (52.2 kg) |
Phetjeeja Lukjaoporongtom
|
March 9, 2024 | 0 | |||
| Muay Thai | ||||||
| Strawweight 125 lb (56.7 kg) |
 Smilla Sundell
|
April 22, 2022 | [24] | 1 | ||
| Atomweight 115 lb (52.2 kg) |
Allycia Rodrigues
|
August 28, 2020 | [25] | 2 | ||
| Submission grappling | ||||||
| Atomweight 115 lb (52.2 kg) |
Danielle Kelly
|
September 30, 2023 | [26] | 0 | ||
Men's championship history
Heavyweight World Championship
- Weight limit
- — MMA: 265 lb (120.2 kg)
- — Kickboxing / Muay Thai: Unlimited
- Weight limit
| Mixed martial arts (MMA) | |||||
| No. | Name | Event | Date | Reign | Defenses |
|---|---|---|---|---|---|
| 1 | Brandon Vera def. Paul Cheng |
ONE: Spirit of Champions Pasay, Philippines |
Dec 11, 2015 | 1982 days |
1. def. Hideki Sekine at ONE: Age of Domination on Dec 2, 2016 |
| 2 |  Arjan Bhullar
|
ONE: Dangal Kallang, Singapore |
May 15, 2021 | 769 days | |
| — | Anatoly Malykhin def. Kirill Grishenko for interim title |
ONE: Bad Blood Kallang, Singapore |
Feb 11, 2022 | — | |
| 3 | Anatoly Malykhin
|
ONE Friday Fights 22 Bangkok, Thailand |
Jun 23, 2023 | 367 days (incumbent) |
|
| Muay Thai | |||||
| No. | Name | Event | Date | Reign | Defenses |
| 1 | Roman Kryklia def. Alex Roberts |
ONE Fight Night 17 Bangkok, Thailand |
Dec 8, 2023 | 199 days (incumbent) |
|
Light Heavyweight World Championship
- Weight limit: 225 lb (102.1 kg)
| Mixed martial arts (MMA) | |||||
| No. | Name | Event | Date | Reign | Defenses |
|---|---|---|---|---|---|
| 1 | Roger Gracie def. Michal Pasternak |
ONE: Ascent to Power Kallang, Singapore |
May 6, 2016 | 526 days | |
| The title was vacated after Roger Gracie announced his retirement from MMA on October 14, 2017.[27] | |||||
| 2 |  Aung La Nsangdef. Alexandre Machado |
ONE: Quest for Gold Yangon, Myanmar |
Feb 23, 2018 | 1160 days |
1. def. Brandon Vera at ONE: Century − Part 2 on Oct 13, 2019 |
| 3 |  Reinier de Ridder
|
ONE on TNT 4 Kallang, Singapore |
Apr 28, 2021 | 584 days | |
| 4 | Anatoly Malykhin
|
ONE on Prime Video 5 Pasay, Philippines |
Dec 3, 2022 | 569 days (incumbent) |
|
| Kickboxing | |||||