Petr YanCurrent champion (since Dec 6, 2025)
12Undisputed reigns
9Different champions
Dominick CruzFirst champion, 2010
Every undisputed UFC bantamweight champion. Interim champions are not counted as reigns.
Every reign
| # | Champion | Date won | Event | Reign # |
|---|---|---|---|---|
| 12 | Petr Yan | Dec 6, 2025 | UFC 323 | 2 |
| 11 | Merab Dvalishvili | Sep 14, 2024 | UFC 306 | |
| 10 | Sean O'Malley | Aug 19, 2023 | UFC 292 | |
| 9 | Aljamain Sterling | Mar 6, 2021 | UFC 259 | |
| 8 | Petr Yan | Jul 12, 2020 | UFC 251 | |
| 7 | Henry Cejudo | Jun 8, 2019 | UFC 238 | |
| 6 | T.J. Dillashaw | Nov 4, 2017 | UFC 217 | 2 |
| 5 | Cody Garbrandt | Dec 30, 2016 | UFC 207 | |
| 4 | Dominick Cruz | Jan 17, 2016 | UFC Fight Night: Dillashaw vs. Cruz | 2 |
| 3 | T.J. Dillashaw | May 24, 2014 | UFC 173 | |
| 2 | Renan Barão | Jan 6, 2014 | Promoted after Cruz vacated | |
| 1 | Dominick Cruz | Dec 16, 2010 | WEC 53 |
Multiple reigns
| Champion | Reigns |
|---|---|
| Dominick Cruz | 2 |
| T.J. Dillashaw | 2 |
| Petr Yan | 2 |
Sources: Wikipedia: List of UFC champions · UFC.com: UFC 332. Facts verified Oct 18, 2026.