Below is the history of the ONE Championship Bantamweight Muay Thai World championship:
| # | Champion | Event | Date | Opponent |
|---|---|---|---|---|
| 6 | Rambolek Chor Ajalaboon | ONE Friday Fights 147 | March 20, 2026 | Nabil Anane |
| 5 | Nabil Anane | ONE Friday Fights 114 | June 27, 2025 | (elevated from Interim) |
| 4 | Nabil Anane (IC) | ONE 170 | January 24, 2025 | Nico Carrillo |
On March 23, 2025 at ONE 172, Superlek Kiatmoo9 failed to pass hydration for his title defence against Nabil Anane. He was stripped of the title and the bout went ahead as a three-round non-title contest, which Anane won by unanimous decision.
| # | Champion | Event | Date | Opponent |
|---|---|---|---|---|
| 3 | Superlek Kiatmoo9 | ONE 168 | September 7, 2024 | Jonathan Haggerty |
| 2 | Jonathan Haggerty | ONE Fight Night 9 | April 22, 2023 | Nong-O Hama |
| 1 | Nong-O Hama | ONE: Clash of Legends | February 16, 2019 | Han Zihao |
All ONE Bantamweight Muay Thai World Title fights
Every title bout contested for the ONE Bantamweight Muay Thai World Championship, with the most recent at the top.
| Date | Event | Champion | Challenger | Method | Result |
|---|---|---|---|---|---|
| March 20, 2026 | ONE Friday Fights 147 (Superfan Fights) | Nabil Anane (c) | Rambolek Chor Ajalaboon | Unanimous Decision | Rambolek wins title |
| June 27, 2025 | ONE Friday Fights 114 | (Vacant) | Nabil Anane | Elevated | Anane elevated from Interim to Undisputed Champion |
| March 23, 2025 | ONE 172 | Superlek Kiatmoo9 (c) | Nabil Anane | Unanimous Decision (non-title) | Superlek missed weight; bout went non-title; title vacated |
| January 24, 2025 | ONE 170 | (Vacant Interim) | Nabil Anane vs Nico Carrillo | TKO Rd 1 | Anane wins Interim title |
| September 7, 2024 | ONE 168 | Jonathan Haggerty (c) | Superlek Kiatmoo9 | KO Rd 1 (49 seconds) | Superlek wins title |
| February 17, 2024 | ONE Fight Night 19 | Jonathan Haggerty (c) | Felipe Lobo | TKO Rd 3 | Haggerty retains |
| April 22, 2023 | ONE Fight Night 9 | Nong-O Hama (c) | Jonathan Haggerty | KO Rd 1 | Haggerty wins title |
| January 20, 2023 | ONE Friday Fights 1 | Nong-O Hama (c) | Alaverdi Ramazanov | KO Rd 3 | Nong-O retains |
| August 27, 2022 | ONE on Prime Video 1 | Nong-O Hama (c) | Liam Harrison | TKO Rd 1 (leg kicks) | Nong-O retains |
| March 26, 2022 | ONE: X | Nong-O Hama (c) | Felipe Lobo | KO Rd 3 (uppercut) | Nong-O retains |
| December 18, 2020 | ONE: Collision Course | Nong-O Hama (c) | Rodlek PK.Saenchaimuaythaigym | KO Rd 3 | Nong-O retains |
| November 22, 2019 | ONE: Edge of Greatness | Nong-O Hama (c) | Saemapetch Fairtex | KO Rd 4 | Nong-O retains |
| September 6, 2019 | ONE: Immortal Triumph | Nong-O Hama (c) | Brice Delval | Split Decision | Nong-O retains |
| May 10, 2019 | ONE: Warriors of Light | Nong-O Hama (c) | Hiroaki Suzuki | Unanimous Decision | Nong-O retains |
| February 16, 2019 | ONE: Clash of Legends | (Vacant) | Nong-O Hama vs Han Zihao | Unanimous Decision | Nong-O wins inaugural title |