Super welterweight / World Boxing Organization
WBO Junior middleweight
23 reigns, most recent first.
| Champion | From | To |
|---|---|---|
| Jaron Ennis | 2026-06-27 | present |
| Xander Zayas | 2025-07-26 | 2026-06-27 |
| Sebastian Fundora | 2024-03-30 | 2025-05-02 |
| Tim Tszyu | 2023-09-30 | 2024-03-30 |
| Jermell Charlo | 2022-05-14 | 2023-09-30 |
| Brian Castaño | 2021-02-13 | 2022-05-14 |
| Patrick Teixeira | 2019-12-04 | 2021-02-13 |
| Jaime Munguía | 2018-05-12 | 2019-11-23 |
| Sadam Ali | 2017-12-02 | 2018-05-12 |
| Miguel Cotto | 2017-08-26 | 2017-12-02 |
| Canelo Álvarez | 2016-09-17 | 2017-05-21 |
| Liam Smith | 2015-10-10 | 2016-09-17 |
| Demetrius Andrade | 2013-11-09 | 2015-07-31 |
| Zaurbek Baysangurov | 2011-10-05 | 2013-07-22 |
| Serhiy Dzyndzyruk | 2005-12-03 | 2011-10-05 |
| Daniel Santos | 2002-03-16 | 2005-12-03 |
| Harry Simon | 1998-08-22 | 2001-11-27 |
| Winky Wright | 1996-05-17 | 1998-08-22 |
| Bronco McKart | 1996-03-01 | 1996-05-17 |
| Paul Jones | 1995-11-22 | 1996-02-26 |
| Verno Phillips | 1993-10-30 | 1995-11-22 |
| John David Jackson | 1990-10-23 | 1993-08-05 |
| John David Jackson | 1988-12-08 | 1990-02-17 |