The ONE Championship (formerly known as "ONE Fighting Championship") promotion was started in 2011.
This list is an up-to-date roster of those fighters currently under contract with the ONE Championship brand. Fighters are organized by weight class and within their weight class by their number of fights with the promotion.
Notes
Results of fighting within development leagues (ONE Warriors series, ONE Hero series & Road to ONE) not counted for ONE Championship Records.
Recent signings The fighters in this section have either signed with the ONE, have recently returned from an announced retirement, or have yet to make their ONE debut, or have get a contract from ONE Lumpinee (ONE Friday Fights) and The Inner Circle event. DateNameNicknameSportDivisionStatus / next fight / infoRefRecordRanmaKickboxingBantamweightONE Samurai 2 (Tokyo) - Katsuki Kitano9–2–1Shoma OkumuraKickboxingStrawweightONE Samurai 2 (Tokyo) - Reiji Takaki9–2Taiga OriiBlack SamuraiMMABantamweight5–0Nazareth LalthazualaThe NorthstarMMAStrawweight(Sep 3) - missed weight - out of ONE Fight Night 47 (Bangkok) - Gilbert Nakatani8–0Rifdean MasdorMagic BoyMuay ThaiAtomweightONE Samurai 4 (Tokyo) - Nadaka Yoshinari46–8Islay Erika BomogaoMuay ThaiWomen's Atomweight6–0Ubaid HussainBadMuay ThaiFlyweightThe Inner Circle 39 (Bangkok) - Black Panther VenumMuayThai16–0Qalandar TabarovMMABantamweight5–0Ilmadi IsrailovMMABantamweight9–0Dzhamil OsmanovCurly NinjaKickboxingBantamweight9–0
Current champions, weight classes and status The ONE currently uses ten different weight classes and four sports combat. This list of champions is updated as of December 6, 2025, after ONE Fight Night 38.
WCMin Upper limitGSportsChampionFlagDate wonRefDaysheldDefensesNext fight / infoATWNone115 lb 52.2 kgMMuay ThaiNadaka YoshinariNov 16, 2025WMMADenice Zamboanga May 2, 2025Kickboxing Phetjeeja Lukjaoporongtom March 9, 2024Muay ThaiAllycia Rodrigues August 28, 2020 SW>115 lb >52.2 kg125 lb 56.7 kgMMMA Joshua PacioMarch 1, 2024 Kickboxing Jonathan Di BellaOctober 4, 2025 Muay Thai Prajanchai P.K.SaenchaiDecember 22, 2023 WMuay ThaiStella Hemetsberger September 6, 2025 Kickboxing February 14, 2026FLW>125 lb >56.7 kg135 lb 61.2 kgMMMAAvazbek KholmirzaevApr 29, 2026 Kickboxing Superlek Kiatmuu9 January 14, 2023 Muay Thai Asadula Imangazaliev June 26, 2026BW>135 lb >61.2 kg145 lb 65.8 kgMMMAEnkh-Orgil BaatarkhuuDecember 6, 2025 KickboxingJonathan Haggerty November 4, 2023 Muay Thai Rambolek Chor.Ajalaboon Mar 20, 2026 FW>145 lb >65.8 kg155 lb 70.3 kgM MMATang Kai August 26, 2022 Kickboxing Superbon Singha Mawynn January 6, 2025 Muay ThaiTawanchai P.K.Saenchai September 29, 2022 LW>155 lb >70.3 kg170 lb 77.1 kgMMMAChristian Lee August 26, 2022 Kickboxing Regian Eersel April 10, 2026 Muay Thai Regian Eersel October 22, 2022 Submission Grappling Kade Ruotolo October 22, 2022 WW>170 lb >77.1 kg185 lb 83.9 kgMMMAChristian Lee November 19, 2022 Submission grapplingTye Ruotolo November 4, 2023 LHW>205 lb >93 kg225 lb 102.1 kgMMMAAnatoly MalykhinDecember 3 2022 MKickboxingRoman KrykliaNovember 16, 2019 HW>225 lb >102.1 kg265 lb 120.2 kgMMMAAnatoly MalykhinMay 15, 2026KickboxingRoman KrykliaJune 19, 2026Muay Thai Roman Kryklia December 9, 2023
Suspended fighters The list below is based on fighters suspended either by World Anti-Doping Agency (WADA) for violation of taking prohibited substances or non-analytical incidents, (2) by local commissions on misconduct during the fights or at event venues, or (3) by ONE.
NameNicknameDivisionFromDurationTested positive for / InfoByEligible to fight againRef.NotesFrancisco LoWelterweight3 years Dehydrochloromethyltestosterone and 19-norandrosteroneUSADA
Mixed martial arts Heavyweight (265 lb, 120.2 kg) NameAgeHt.NicknameResult / next fight / statusMMA recordONE Championship recordYear of last ONE fight!a!a!a-9999Shamil Erdogan - ONE Fight Night 48 (Bangkok) - Paul Elliott14–06–02026Paul Elliott - ONE Fight Night 48 (Bangkok) - Shamil Erdogan8–3 (1)2–3 (1)2026Ryugo TakeuchiRising Rock Star - ONE Fight Night 40 (Bangkok) - Ben Tynan5–3 1–3 2026Ben TynanVanilla Thunder - ONE Fight Night 40 (Bangkok) - Ryugo Takeuchi6–1 (1)2–1 (1)2026Regan Upshaw - ONE Fight Night 44 (Bangkok) - Paul Elliott0–10–12026
Welterweight (185 lb, 83.9 kg) NameAgeHt.NicknameResult / next fight / statusMMA recordONE Championship recordYear of last ONE fight!a!a!a-9999United StatesChristian Lee (C)The Warrior18–4 (1) 18–4 (1) 2025TurkeySaygid Guseyn Arslanaliev Dagi9–38–3 2025Dzhabir Dzhabrailov - ONE Fight Night 42 (Bangkok) - Chase Mann7–04–02026AustraliaIsi Fitikefu Doxz - ONE Fight Night 39 (Bangkok) - Chase Mann9–22–22026Chase MannMannimal - ONE Fight Night 42 (Bangkok) - Dzhabir Dzhabrailov8–11–12026
Lightweight (170 lb, 77.1 kg) NameAgeHt.NicknameResult / next fight / statusMMA recordONE Championship recordYear of last ONE fight!a!a!a-9999United StatesChristian Lee (C)The WarriorThe Inner Circle 37 (Bangkok) - Tye Ruotolo18–4 (1) 18–4 (1) 2025Eduard FolayangLandslide - The Inner Circle 21 (Bangkok) - Shozo Isojima23–1513–132026JapanShinya Aoki Tobikan Judan49–12 (1) 14–62025JapanHiroyuki Tetsuka Japanese Beast - The Inner Circle 14 (Bangkok) - Kade Ruotolo15–77–4 2026Ok Rae-Yoon - ONE Fight Night 44 (Bangkok) - Lucas Gabriel17–64–32026ChinaZhang Lipeng The Warrior35–13–2 (1) 4–2 (1) 2025Lucas GabrielSinisterONE Fight Night 49 (Bangkok) - Alibeg Rasulov11–1 (1)5–0 (1)2026Adrian LeeThe Phenom - ONE Fight Night 40 (Bangkok) - Shozo Isojima4–14–12026United StatesKade Ruotolo - The Inner Circle 14 (Bangkok) - Hiroyuki Tetsuka4–04–0 2026Shozo IsojimaGreat Teacher - The Inner Circle 21 (Bangkok) - Eduard Folayang7–22–22026United StatesTye Ruotolo The Inner Circle 37 (Bangkok) - Christian Lee2–02–0 2026Alibeg RasulovONE Fight Night 49 (Bangkok) - Lucas Gabriel14–1 (1)1–1 (1) 2025
Featherweight (155 lb, 70.3 kg) NameAgeHt.NicknameResult / next fight / statusMMA recordONE Championship recordYear of last ONE fight!a!a!a-9999ChinaTang Kai (C) - ONE Fight Night 43 (Bangkok) - Shamil Gasanov20–49–12026RussiaShamil Gasanov The Cobra - ONE Fight Night 43 (Bangkok) - Tang Kai14–26–22026João Pedro Dantas Guerreirinho - ONE Fight Night 47 (Bangkok) - Hector Almonacid7–11–12026
Bantamweight (145 lb, 65.8 kg) NameAgeHt.NicknameResult / next fight / statusMMA recordONE Championship recordYear of last ONE fight!a!a!a-9999Elbek Alyshov (C) - The Inner Circle 24 (Bangkok) - Enkh-Orgil Baatarkhuu11–03–02026MongoliaEnkh-Orgil Baatarkhuu The Tormentor - The Inner Circle 24 (Bangkok) - Elbek Alyshov14–4 7–22026 Carlo Bumina-ang The Bull - The Inner Circle 11 (Bangkok) - Batochir Batsaikhan10–29–22026 BrazilFabrício AndradeWonder Boy10–3 (1)7–1 (1)2025PhilippinesJeremy PacatiwThe Juggernaut13–73–32025Jhanlo Mark SangiaoThe Machine - ONE Fight Night 46 (Bangkok) - Marcos Aurélio7–24–22026Marcos Aurélio Peruano - ONE Fight Night 46 (Bangkok) - Jhanlo Mark Sangiao10–12–12026
Flyweight (135 lb, 61.2 kg) NameAgeHt.NicknameResult / next fight / statusMMA recordONE Championship recordYear of last ONE fight!a!a!a-9999UzbekistanAvazbek Kholmirzaev (C)Ninzya - ONE Samurai 1 (Tokyo) - Yuya Wakamatsu16–210–12026JapanYuya Wakamatsu Little Piranha - ONE Samurai 3 (Yokohama) - Willie van Rooyen21–711–52026PhilippinesLito Adiwang Thunder Kid - ONE Fight Night 45 (Bangkok) - Antonio Cesar18–7 9–5 2026JapanTatsumitsu Wada The Sweeper - ONE Samurai 1 (Tokyo) - Seiichiro Ito27–14–27–72026United StatesJarred Brooks The Monkey God21–6 (1)5–42025Viet Anh Do - ONE Fight Night 46 (Bangkok) - Davi Brandao7–0 (1)6–02026ChinaHu Yong Wolf Warrior - ONE Fight Night 40 (Bangkok) - Danny Kingad13–6 5–3 2026Gilbert Nakatani (Sep 3) - Lalthazuala missed weight - out of ONE Fight Night 47 (Bangkok) - Nazareth Lalinazuala9–41–32026Ruslan Satiev - ONE Fight Night 45 (Bangkok) - Sanzhar Zakirov7–02–0 2026BrazilAntonio Cesar The Flash - ONE Fight Night 48 (Bangkok) - Joshua Pereira15–22–0 2026Willie van RooyenWhite Lion - ONE Samurai 3 (Yokohama) - Yuya Wakamatsu8–21–22026Joshua Pereira Flyin Hawaiian - ONE Fight Night 48 (Bangkok) - Antonio Cesar6–1 (1)1–1 (1)2026JapanSeiichiro Ito - ONE Samurai 3 (Yokohama) - Kazusa Kurobe19–5–21–12026Davi Brandão Ajuricaba - ONE Fight Night 46 (Bangkok) - Viet Anh Do6–10–12026
Strawweight (125 lb, 56.7 kg) NameAgeHt.NicknameResult / next fight / statusMMA recordONE Championship recordYear of last ONE fight!a!a!a-9999PhilippinesJoshua Pacio (C)The PassionONE Samurai 5 (Tokyo) - Keito Yamakita24–5 16–52026South AfricaBokang Masunyane Little Giant - ONE Fight Night 45 (Bangkok) - Lee Seung-chul10–44–42026JapanHiroba Minowa - ONE Samurai 3 (Yokohama) - Yuta Miyazawa16–6 5–4 2026Lee Seung-chul The Flash13–16–02026JapanKeito Yamakita Pocket MonkONE Samurai 5 (Tokyo) - Joshua Pacio13–1 6–12026 Mansur Malachiev - The Inner Circle 21 (Bangkok) - Joshua Pacio14–24–22026JapanRyohei Kurosawa Ken Asuka - ONE Fight Night 47 (Bangkok) - Fabio Henrique20–71–32026Fabio Henrique The Giant - ONE Fight Night 47 (Bangkok) - Ryohei Kurosawa16–12–12026ArmeniaKaren Ghazaryan 6–1 1–1 2026JapanHisashi Ezaki - ONE Fight Night 44 (Bangkok) - Karen Ghazaryan7–10–12026
Women's Atomweight (115 lb, 52.2 kg)
NameAgeHt.NicknameResult / next fight / statusMMA recordONE Championship recordYear of last ONE fight!a!a!a-9999PhilippinesDenice Zamboanga The Menace12–2 7–22025MalaysiaJihin RadzuanShadow CatONE Samurai 4 (Tokyo) - Itsuki Hirata10–5 9–52026JapanAyaka Miura Zombie - ONE Fight Night 45 (Bangkok) - Victória Souza16–7 (1) 9–5 2026ThailandStamp Fairtex The Inner Circle 20 (Bangkok) - Cynthia Flores (Muay Thai bout)11–211–22023JapanItsuki HirataAndroid 18ONE Samurai 4 (Tokyo) - Jihin Radzuan8–5 7–52026JapanChihiro Sawada - ONE Samurai 1 (Tokyo) - Ayaka Miura12–1–1 7–12026Victória SouzaVick - ONE Fight Night 45 (Bangkok) - Ayaka Miura10–34–32026Anastasia NikolakakosAnniemale - ONE Fight Night 45 (Bangkok) - Jihin Radzuan7–02–02026Natalie Salcedo - ONE Fight Night 46 (Bangkok) - Magdalena Czaban4–21–22026Magdalena CzabanThe Powerpuff Girl - ONE Fight Night 46 (Bangkok) - Natalie Salcedo5–01–02026Gabriela FujimotoGabi - ONE Fight Night 47 (Bangkok) - Macarena Aragon7–20–22026
Unless otherwise cited, all records are retrieved from tapology.com
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(C)Indicates the current champion
Kickboxing & Muay Thai
Heavyweight (265 lb, 120.2 kg) NameAgeHt.NicknameResult / next fight / statusMT/KB recordONE recordYear of last ONE fight!a!a!a-9999Roman Kryklia (MT.C), (KB.C) - The Inner Circle 19 (Bangkok) - Samet Agdeve51–88–12026Samet AgdeveThe King - The Inner Circle 19 (Bangkok) - Roman Kryklia18–11–12026Lyndon KnowlesKnowlesy77–170–12025
Light Heavyweight (225 lb, 102.1 kg) NameAgeHt.NicknameResult / next fight / statusMT/KB recordONE recordYear of last ONE fight!a!a!a-9999Roman Kryklia (KB.C)51–88–12026
Lightweight (170 lb, 77.1 kg) NameAgeHt.NicknameResult / next fight / statusMT/KB recordONE recordYear of last ONE fight!a!a!a-9999Regian Eersel (MT.C), (KB.C)The Immortal - The Inner Circle 33 (Bangkok) - George Jarvis66–5 15–12026Sinsamut KlinmeeAquaman ONE Samurai 4 (Tokyo) - Shintaro Matsukura83–22–35–62026Rungrawee Sitsongpeenong Legatron - ONE Fight Night 44 (Bangkok) - George Jarvis158–50–26–42026George JarvisG-Unit - The Inner Circle 33 (Bangkok) - Regian Eersel29–66–32026Bogdan ShumarovONE Samurai 4 (Tokyo) - Rukiya Anpo18–4–1 3–12025Nauzet Trujillo 49–12–11–22025Youssef Assouik28–41–12025Abolfazl AlipourandiWhite Wolf16–61–12025
Featherweight (155 lb, 70.3 kg)