List of IBO world champions

The following is a List of IBO world champions, a table showing the world champions certificated by the International Boxing Organization (IBO).

^r – Champion relinquished title.
^s – Champion stripped of title.

Strawweight

No.	Name	Duration of reign	Defences
1	Noel Tuñacao	2003-03-08 — 2003-12-16^r	0
2	Nkosinathi Joyi	2006-11-04 — June 2009^s	3
3	Gideon Buthelezi	2010-06-19 — 2011-01-27^r	0
4	Hekkie Budler	2011-09-24 — 2016-03-19	8

Junior flyweight

No.	Name	Duration of reign	Defences
1	José Sanjuanelo	1998-11-07 — 2000-08-26	0
2	José García Bernal	2000-08-26 — 2002-04-17	1
3	Monelisi Mhikiza Myekeni	2002-04-17 — 2004^s	1
4	Hekkie Budler	2010-02-27 — 2011-01-27	1
5	Gideon Buthelezi	2011-01-27 — 2011-09-24^s	0
6	Rey Loreto	2014-02-01 — 2016^s	1

Flyweight

No.	Name	Duration of reign	Defences
1	Scotty Olson	1994-12-09 — 1998^r	5
2	Zolile Mbityi	1999-10-22 — 2000-09-30	1
3	Damaen Kelly	2000-09-30 — 2001-11-21^s	1
4	Masibulele Makepula	2002-01-26 — 2002-09-14	0
5	Mzukisi Sikali	2002-09-14 — 2005-03-27	2
6	Vic Darchinyan	2005-03-27 — 2007-07-07	5
7	Nonito Donaire	2007-07-07 — 2009^r	3
8	César Seda	2009-09-18 — 2010^s	0
9	Moruti Mthalane	2014-03-15 — present	2

Super flyweight

No.	Name	Duration of reign	Defences
1	Ángel Almena	1995-07-29 — 1995^r	0
2	Ilido Julio	1998-09-19 — 1999-01-08	0
3	Edison Torres	1999-01-08 — 1999-04-03	0
4	Mauricio Pastrana	1999-04-03 — 1999^r	0
5	Lunga Ntontela	2002-12-13 — 2003^r	0
6	Jason Booth	2003-09-20 — 2004-12-17	1
7	Damaen Kelly	2004-12-17 — 2005^r	0
8	Mbwana Matumla	2006-11-04 — 2007^r	0
9	Vic Darchinyan	2007-10-20 — 2008^r	0
10	Zolile Mbityi	2008-05-31 — 2009^r	0
11	Gideon Buthelezi	2012-11-10 — 2013-06-15	0
12	Edrin Dapudong	2013-06-15 — 2014-07-18	0
13	Lwandile Sityatha	2014-07-18 — 2015^r	2
14	Gideon Buthelezi (2)	2015-12-18 — present	1

Bantamweight

No.	Name	Duration of reign	Defences
1	Johnny Bredahl	1996-02-16 — 1998-06-05^r	7
2	Noel Wilders	2000-03-20 — 2001^r	1
3	José Sanjuanelo	2001-07-14 — 2002-03-02	1
4	Silence Mabuza	2002-03-02 — 2005-11-05	6
5	Rafael Márquez	2005-11-05 — 2006^r	1
6	Silence Mabuza (2)	2007-05-12 — 2009^r	2
7	Simpiwe Vetyeka	2009-07-11 — 2010^r	0
8	Vic Darchinyan	2010-05-20 — 2010-12-11	0
9	Vic Darchinyan (2)	2011-04-23 — 2011-12-03^s	1
10	Joseph Agbeko	2013-03-22 — 2013^s	0
11	Juan Carlos Payano	2015-08-02 — present	0

Super bantamweight

No.	Name	Duration of reign	Defences
1	John Lowey	1995-04-20 — 1995^r	0
2	Serhiy Divakov	1996-05-21 — 1997^r	0
3	Patrick Mullings	1998-03-28 — 1998-08-08	0
4	Simon Ramoni	1998-08-08 — 2001^r	3
5	Paulie Ayala	2001-08-04 — 2002^r	1
6	Zolani Marali	2003-07-11 — 2004-05-22	0
7	Thomas Mashaba	2004-05-22 — 2005^r	0
8	Takalani Ndlovu	2005-11-04 — 2007-07-14^s	3
9	Mike Oliver	2007-11-08 — 2008^r	0
10	Tshifhiwa Munyai	2011-03-26 — 2012^r	0
11	Alexander Bakhtin	2012-09-18 — 2013-04-20^r	0
12	Thabo Sonjica	2013-07-06 — 2014-08-08^s	1
13	Paulus Ambunda	2015-08-01 — present	1

Featherweight

No.	Name	Duration of reign	Defences
1	Derrick Gainer	1993-11-30 — 1994^r	0
2	Radford Beasley	1997-09-26 — 1998^r	0
3	Junior Jones	1999-04-10 — 1999^r	0
4	Marco Antonio Barrera	2001-04-07 — 2002^r	0
5	Naseem Hamed	2002-05-18 — 2002^r	0
6	Michael Brodie	2003-06-21 — 2003^r	0
7	Vuyani Bungu	2004-02-07 — 2005-06-25	0
8	Thomas Mashaba	2005-06-25 — 2008-03-07	4
9	Cristóbal Cruz	2008-03-07 — 2008^r	0
10	Fernando Beltrán Jr	2008-08-22 — 2009^r	0
11	Jackson Asiku	2009-11-06 — 2010-09-15	0
12	Jhonny González	2010-09-15 — 2011^s	0
13	Daud Yordan	2012-05-05 — 2013-04-14	1
14	Simpiwe Vetyeka	2013-04-14 — 2014^s	1
15	Lusanda Komanisi	2014-07-18 — present	2

Super featherweight

No.	Name	Duration of reign	Defences
1	John Roby	1993-04-03 — 1994-04-21	0
2	Jeff Mayweather	1994-04-21 — 1995-08-25	2
3	Israel Cardona	1995-08-25 — 1995^r	0
4	Jimmi Bredahl	1996-03-29 — 1996^r	0
5	Israel Cardona (2)	1996-04-12 — 1996^r	0
6	Troy Dorsey	1996-10-18 — 1997^r	0
7	Charles Shepherd	1999-07-31 — 2000-02-26	0
8	Affif Djelti	2000-02-26 — 2002^r	3
9	Cassius Baloyi	2002-04-17 — 2006-07-29	5
10	Gairy St Clair	2006-07-29 — 2006-11-04^s	0
11	Cassius Baloyi (2)	2007-02-03 — 2007^r	0
12	Billy Dib	2008-07-30 — 2008^s	0
13	Zolani Marali	2009-04-02 — 2009-09-12	0
14	Kim Jihoon	2009-09-12 — 2010^r	0
15	Will Tomlinson	2011-11-30 — 2014^s	3
16	José Pedraza	2014-03-22 — 2014^s	0
17	Jack Asis	2015-04-11 — present	0

Lightweight

No.	Name	Duration of reign	Defences
1	Anthony Boyle	1993-12-28 — 1994^r	0
2	Amado Cabato	1994-12-11 — 1995-03-10	0
3	Lester Ellis	1995-03-10 — 1995^r	0
4	Billy Irwin	1995-06-08 — 1995^r	0
5	Leavander Johnson	1995-07-29 — 1996^r	0
6	Tony Pep	1996-03-07 — 1997^r	1
7	Michael Ayers	1999-03-12 — 2001-12-26^r	6
8	Jason Cook	2003-11-08 — 2004-11-05	1
9	Aldo Nazareno Ríos	2004-11-05 — 2005^r	0
10	Isaac Hlatshwayo	2005-08-31 — 2006^r	2
11	Juan Díaz	2008-09-06 — 2009-02-28^s	0
12	Mlungisi Dlamini	2009-10-31 — 2010-01-29 (died in a vehicular accident)	0
13	Leonardo Zappavigna	2010-03-06 — 2010^s	0
14	Emiliano Marsili	2012-01-20 — 2012^s	0
15	Daud Yordan	2013-07-06 — 2014^s	1
16	Xolisani Ndongeni	2015-11-28 — present	0

Junior welterweight

No.	Name	Duration of reign	Defences
1	Mike Evgen	1992-04-09 — 1992^r	0
2	Mike Johnson	1993-02-19 — 1994^r	1
3	Roger Mayweather	1994-05-28 — 1994^r	0
4	Lester Ellis	1994-12-03 — 1995^r	0
5	Mario Martínez	1995-07-29 — 1995^r	0
6	Darrell Hiles	1995-09-23 — 1995^r	0
7	Verdell Smith	1996-01-18 — 1996^r	0
8	Johar Abu Lashin	1997-02-28 — 1997^r	0
9	Israel Cardona	1997-04-25 — 1997^r	0
10	Ener Julio	1998-09-12 — 1998^r	1
11	Newton Villarreal	2000-02-05 — 2001-04-07	2
12	Billy Schwer	2001-04-07 — 2001-07-14	0
13	Pablo Daniel Sarmiento	2001-07-14 — 2004-05-08	3
14	Colin Lynes	2004-05-08 — 2005^r	1
15	Stevie Johnston	2006-01-27 — 2006^r	0
16	Ricky Hatton	2007-01-20 — 2009-05-02	3
17	Manny Pacquiao	2009-05-02 — 2010^s	0
18	Kaizer Mabuza	2012-03-03 — 2012-06-20	0
19	Khabib Allakhverdiev	2012-06-20 — 2014-04-12	2
20	Eduard Troyanovsky	2015-04-10 — present	2

Welterweight

No.	Name	Duration of reign	Defences
1	Kenny Gould	1993-01-08 — 1993^r	0
2	Johnny Bizzarro	1993-08-18 — 1994-08-04	1
3	Roger Mayweather	1994-08-04 — 1995^r	1
4	Kip Diggs	1995-06-30 — 1995^r	0
5	Kevin Lueshing	1996-07-17 — 1997-01-11^s	0
6	José Antonio Rivera	1997-04-25 — 1998^r	0
7	Dingaan Thobela	1999-03-06 — 1999^r	0
8	Peter Malinga	1999-10-22 — 2000^r	0
9	Willy Wise	2000-12-02 — 2001-06-11	0
10	Jawaid Khaliq	2001-06-11 — 2004-02-14^r	7
11	Floyd Mayweather Jr	2006-04-08 — 2007^r	1
12	Isaac Hlatshwayo	2007-05-12 — 2008^r	2
13	Lovemore Ndou	2009-07-11 — 2010^s	2
14	Chris van Heerden	2011-09-24 — 2014^s	2
15	Ali Funeka	2014-11-15 — 2015-07-24	0
16	Tsiko Mulovhedzi	2015-07-24 — present	1

Junior middleweight

No.	Name	Duration of reign	Defences
1	Lonnie Beasley	1993-04-10 — 1994^r	0
2	Lester Ellis	1995-07-17 — 1995^s	0
3	Patrick Goossen	1996-06-26 — 1996^r	0
4	Manny Sobral	1996-12-12 — 1997^r	1
5	Adrian Stone	2000-04-15 — 2001^r	3
6	Richard Williams	2001-12-01 — 2003-06-21	3
7	Sergio Gabriel Martínez	2003-06-21 — 2004^r	2
8	Mihály Kótai	2005-06-04 — 2006-03-03	1
9	Steve Conway	2006-03-03 — 2006-06-03	0
10	Attila Kovács	2006-06-03 — 2008^s	1
11	Zaurbek Baysangurov	2010-12-04 — 2012^s	1
12	Zaurbek Baysangurov (2)	2014-04-12 — 2015^s	0
13	Erislandy Lara	2015-06-12 — present	1

Middleweight

No.	Name	Duration of reign	Defences
1	Glenwood Brown	1995-08-25 — 1997^r	0
2	Freeman Barr	1997-09-20 — 1998^r	1
3	Mpush Makambi	1998-09-08 — 2000-09-30	3
4	Raymond Joval	2000-09-30 — 2004^s	4
5	Raymond Joval (2)	2005-06-03 — 2006^r	1
6	Daniel Geale	2007-12-14 — 2009-05-27	1
7	Anthony Mundine	2009-05-27 — 2009^r	0
8	Peter Manfredo Jr	2010-05-22 — 2011^s	0
9	Avtandil Khurtsidze	2011-03-13 — 2011^s	1
10	Gennady Golovkin	2011-12-09 — present	13

Super middleweight

No.	Name	Duration of reign	Defences
1	Willie Ball	1992-07-17 — 1992-10-09	0
2	Todd Nadon	1992-10-09 — 1993^r	0
3	Vinny Pazienza	1993-12-28 — 1994^r	0
4	Rick Thornberry	1995-04-21 — 1996^s	0
5	Karl Willis	1996-10-13 — 1996^s	0
6	Eddie White	1996-11-27 — 1997^s	0
7	Mads Larsen	1997-05-02 — 1999^r	4
8	Dana Rosenblatt	1999-11-05 — 2000^r	0
9	Adrian Dodson	2001-03-03 — 2001-04-07	0
10	Ramon Arturo Brítez	2001-04-07 — 2001-12-10	0
11	Brian Magee	2001-12-10 — 2004-06-26	7
12	Robin Reid	2004-06-26 — 2005-08-06	0
13	Jeff Lacy	2005-08-06 — 2006-03-04^s	1
14	Fulgencio Zúñiga	2007-09-01 — 2008^r	0
15	Sakio Bika	2008-11-13 — 2010^s	0
16	Isaac Chilemba	2010-06-19 — 2011^s	1
17	Thomas Oosthuizen	2011-03-26 — 2014^s	7
18	Donovan George	2014-08-23 — 2014^s	0
19	Zac Dunn	2015-06-27 — 2016^s	0

Light heavyweight

No.	Name	Duration of reign	Defences
1	Lenny LaPaglia	1993-08-20 — 1993^r	0
2	Drake Thadzi	1997-05-14 — 1998-12-12^r	1
3	Roy Jones Jr	2000-09-09 — 2004-05-15	5
4	Antonio Tarver	2004-05-15 — 2004-12-18	0
5	Glen Johnson	2004-12-18 — 2005-06-18	0
6	Antonio Tarver (2)	2005-06-18 — 2006-06-10	1
7	Bernard Hopkins	2006-06-10 — 2006^r	0
8	Antonio Tarver (3)	2007-06-09 — 2008-10-11	2
9	Chad Dawson	2008-10-11 — 2010-08-14	2
10	Jean Pascal	2010-08-14 — 2011-05-21	1
11	Andrzej Fonfara	2012-11-16 — 2013^s	0
12	Blake Caparello	2013-10-17 — 2014^s	0
13	Thomas Oosthuizen	2015-03-14 — 2015-06-05^s	0

Cruiserweight

No.	Name	Duration of reign	Defences
1	David Izeqwire	1993-12-28 — 1994-11-05	1
2	Adolpho Washington	1994-11-05 — 1995-03-17^s	0
3	Ted Cofie	1995-11-03 — 1997^r	0
4	Booker T. Word	1997-04-18 — 1997^r	0
5	James Toney	1997-06-14 — 1998^r	0
6	Robert Daniels	1998-05-05 — 1999^r	0
7	Thomas Hearns	1999-04-10 — 2000-04-08	0
8	Uriah Grant	2000-04-08 — 2001-02-03	0
9	Carl Thompson	2001-02-03 — 2001-11-26	0
10	Ezra Sellers	2001-11-26 — 2002-04-06^s	0
11	Sebastiaan Rothmann	2002-10-26 — 2004-02-06	1
12	Carl Thompson (2)	2004-02-06 — 2005-11-26^r	1
13	Tomasz Adamek	2007-06-09 — 2008^r	0
14	Johnathon Banks	2008-07-12 — 2009-02-27^s	0
15	Danny Green	2009-08-15 — 2011-07-20	4
16	Antonio Tarver	2011-07-20 — July 2012^s	1
17	Danny Green (2)	2012-11-21 — 2013^r	0
18	Ola Afolabi	2013-11-02 — 2015^r	0
19	Rakhim Chakhkiev	2015-05-22 — 2015-11-04	0
20	Ola Afolabi (2)	2015-11-04 — 2016-02-27	0
21	Marco Huck	2016-02-27 — present	0

Heavyweight

No.	Name	Duration of reign	Defences
1	Pinklon Thomas	1992-11-14 — 1993-01-29^r	0
2	Lionel Butler	1993-02-23 — 1993^r	0
3	Danell Nicholson	1994-08-04 — 1994^r	0
4	Jimmy Thunder	1994-10-29 — 1995^r	2
5	Brian Nielsen	1996-01-12 — September 1999^r	5
6	Lennox Lewis	1999-11-13 — 2001-04-22	3
7	Hasim Rahman	2001-04-22 — 2001-11-17	0
8	Lennox Lewis (2)	2001-11-17 — 2004-02-06^r	2
9	Wladimir Klitschko	2006-04-22 — 2015-11-28	18
10	Tyson Fury	2015-11-28 — present	0