IBO Heavyweight Champion
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Heavyweight champion as recognized by the International Boxing Organization.
- The maximum weight for this division is unlimited (200+ lbs, 90.9+ kg, 14 stone 4 lbs+).
- One of the traditional eight divisions.
RELATED LINK: IBO Heavyweight Title Fights
| Reign Began | Reign Ended | ||||
|---|---|---|---|---|---|
| 1 | Pinklon Thomas | 1992 Nov 14 | 1993 Jan 29 V | 0 | 0 |
| 2 | Lionel Butler | 1993 Feb 23 | 1994 V | 0 | 0 |
| 3 | Danell Nicholson | 1994 Aug 4 | 1994 Oct V | 0 | 0 |
| 4 | Jimmy Thunder | 1994 Oct 29 | 1995 Jul V | 2 | 2 |
| 5 | Brian Nielsen | 1996 Jan 12 | 1999 Sep S | 5 | 5 |
| 6 | Lennox Lewis | 1999 Nov 13 | 2001 Apr 22 | 3 | 3 |
| 7 | Hasim Rahman | 2001 Apr 22 | 2001 Nov 17 | 0 | 0 |
| 8 | Lennox Lewis (2) | 2001 Nov 17 | 2004 Feb 6 R | 2 | 2 |
| 9 | Wladimir Klitschko | 2006 Apr 22 | 2015 Nov 28 | 18 | 17 |
| 10 | Tyson Fury | 2015 Nov 28 | 2016 Oct 12 V | 0 | 0 |
| 11 | Anthony Joshua | 2017 Apr 29 | 2019 Jun 1 | 3 | 3 |
| 12 | Andy Ruiz Jr. | 2019 Jun 1 | 2019 Dec 7 | 0 | 0 |
| 13 | Anthony Joshua (2) | 2019 Dec 7 | 2021 Sep 25 | 1 | 1 |
| 14 | Oleksandr Usyk | 2021 Sep 25 | Present | 5 | 3 |
R - Retired
S - Stripped
V - Vacated