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.

Contents 1 Strawweight 2 Junior flyweight 3 Flyweight 4 Super flyweight 5 Bantamweight 6 Super bantamweight 7 Featherweight 8 Super featherweight 9 Lightweight 10 Junior welterweight 11 Welterweight 12 Junior middleweight 13 Middleweight 14 Super middleweight 15 Light heavyweight 16 Cruiserweight 17 Heavyweight 18 See also

[edit] Strawweight

No.	Name	Duration of reign	Defences
1	Noel Tuñacao	2003-03-08 — 2003-12-16r	0
2	Nkosinathi Joyi	2006-11-04 — June 2009s	3

[edit] 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 — 2004s	1

[edit] Flyweight

No.	Name	Duration of reign	Defences
1	Scotty Olson	1994-12-09 — 1998r	5
2	Zolile Mbityi	1999-10-22 — 2000-09-30	1
3	Damaen Kelly	2000-09-30 — 2001-11-21s	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 — 2009r	3
8	César Seda Jr	2009-09-18 — present	0

[edit] Super flyweight

No.	Name	Duration of reign	Defences
1	Ángel Almena	1995-07-29 — 1995r	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 — 1999r	0
5	Lunga Ntontela	2002-12-13 — 2003r	0
6	Jason Booth	2003-09-20 — 2004-12-17	1
7	Damaen Kelly	2004-12-17 — 2005r	0
8	Mbwana Matumla	2006-11-04 — 2007r	0
9	Vic Darchinyan	2007-10-20 — 2008r	0
10	Zolile Mbityi	2008-05-31 — 2009r	0

[edit] Bantamweight

No.	Name	Duration of reign	Defences
1	Johnny Bredahl	1996-02-16 — 1998-06-05r	7
2	Noel Wilders	2000-03-20 — 2001r	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 — 2006r	1
6	Silence Mabuza (2)	2007-05-12 — 2009r	2
7	Simpiwe Vetyeka	2009-07-11 — present	0

[edit] Super bantamweight

No.	Name	Duration of reign	Defences
1	John Lowey	1995-04-20 — 1995r	0
2	Sergey Devakov	1996-05-21 — 1997r	0
3	Patrick Mullings	1998-03-28 — 1998-08-08	0
4	Simon Ramoni	1998-08-08 — 2001r	3
5	Paulie Ayala	2001-08-04 — 2002r	1
6	Zolani Marali	2003-07-11 — 2004-05-22	0
7	Thomas Mashaba	2004-05-22 — 2005r	0
8	Takalani Ndlovu	2005-11-04 — 2007-07-14s	3
9	Mike Oliver	2007-11-08 — 2008r	0

[edit] Featherweight

No.	Name	Duration of reign	Defences
1	Derrick Gainer	1993-11-30 — 1994r	0
2	Radford Beasley	1997-09-26 — 1998r	0
3	Junior Jones	1999-04-10 — 1999r	0
4	Marco Antonio Barrera	2001-04-07 — 2002r	0
5	Naseem Hamed	2002-05-18 — 2002r	0
6	Michael Brodie	2003-06-21 — 2003r	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 — 2008r	0
10	Fernando Beltrán Jr	2008-08-22 — 2009r	0
11	Jackson Asiku	2009-11-06 — present	0

[edit] 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 — 1995r	0
4	Jimmi Bredahl	1996-03-29 — 1996r	0
5	Israel Cardona (2)	1996-04-12 — 1996r	0
6	Troy Dorsey	1996-10-18 — 1997r	0
7	Charles Shepherd	1999-07-31 — 2000-02-26	0
8	Affif Djelti	2000-02-26 — 2002r	3
9	Cassius Baloyi	2002-04-17 — 2006-07-29	5
10	Gairy St Clair	2006-07-29 — 2006-11-04s	0
11	Cassius Baloyi (2)	2007-02-03 — 2007r	0
12	Billy Dib	2008-07-30 — 2008s	0
13	Zolani Marali	2009-04-02 — 2009-09-12	0
14	Kim Jihoon	2009-09-12 — present	0

[edit] Lightweight

No.	Name	Duration of reign	Defences
1	Anthony Boyle	1993-12-28 — 1994r	0
2	Amado Cabato	1994-12-11 — 1995-03-10	0
3	Lester Ellis	1995-03-10 — 1995r	0
4	Billy Irwin	1995-06-08 — 1995r	0
5	Leavander Johnson	1995-07-29 — 1996r	0
6	Tony Pep	1996-03-07 — 1997r	1
7	Michael Ayers	1999-03-12 — 2001-12-26r	6
8	Jason Cook	2003-11-08 — 2004-11-05	1
9	Aldo Nazareno Ríos	2004-11-05 — 2005r	0
10	Isaac Hlatshwayo	2005-08-31 — 2006r	2
11	Juan Díaz	2008-09-06 — 2009-02-28r	0
12	Mlungisi Dlamini	2009-10-31 — present	0

[edit] Junior welterweight

No.	Name	Duration of reign	Defences
1	Mike Evgen	1992-04-09 — 1992r	0
2	Mike Johnson	1993-02-19 — 1994r	1
3	Roger Mayweather	1994-05-28 — 1994r	0
4	Lester Ellis	1994-12-03 — 1995r	0
5	Mario Martínez	1995-07-29 — 1995r	0
6	Darrell Hiles	1995-09-23 — 1995r	0
7	Verdell Smith	1996-01-18 — 1996r	0
8	Johar Abu-Lashin	1997-02-28 — 1997r	0
9	Israel Cardona	1997-04-25 — 1997r	0
10	Ener Julio	1998-09-12 — 1998r	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 — 2005r	1
15	Stevie Johnston	2006-01-27 — 2006r	0
16	Ricky Hatton	2007-01-20 — 2009-05-02	3
17	Manny Pacquiao	2009-05-02 — present	0

[edit] Welterweight

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

[edit] Junior middleweight

No.	Name	Duration of reign	Defences
1	Lonnie Beasley	1993-04-10 — 1994r	0
2	Lester Ellis	1995-07-17 — November 1995s	0
3	Patrick Goossen	1996-06-26 — 1996r	0
4	Manny Sobral	1996-12-12 — 1997r	1
5	Adrian Stone	2000-04-15 — 2001r	3
6	Richard Williams	2001-12-01 — 2003-06-21	3
7	Sergio Gabriel Martínez	2003-06-21 — 2004r	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 — 2008s	1

[edit] Middleweight

No.	Name	Duration of reign	Defences
1	Glenwood Brown	1995-08-25 — 1997r	0
2	Freeman Barr	1997-09-20 — 1998r	1
3	Mpush Makambi	1998-09-08 — 2000-09-30	3
4	Raymond Joval	2000-09-30 — 2004s	4
5	Raymond Joval (2)	2005-06-03 — 2006r	1
6	Daniel Geale	2007-12-14 — 2009-05-27	1
7	Anthony Mundine	2009-05-27 — 2009r	0

[edit] Super middleweight

No.	Name	Duration of reign	Defences
1	Willie Ball	1992-07-17 — 1992-10-09	0
2	Todd Nadon	1992-10-09 — 1993r	0
3	Vinny Pazienza	1993-12-28 — 1994r	0
4	Rick Thornberry	1995-04-21 — 1996s	0
5	Karl Willis	1996-10-13 — 1996s	0
6	Eddie White	1996-11-27 — 1997s	0
7	Mads Larsen	1997-05-02 — 1999r	4
8	Dana Rosenblatt	1999-11-05 — 2000r	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 — 2006-03-04s	1
14	Fulgencio Zúñiga	2007-09-01 — 2008r	0
15	Sakio Bika	2008-11-13 — present	0

[edit] Light heavyweight

No.	Name	Duration of reign	Defences
1	Lenny LaPaglia	1993-08-20 — 1993r	0
2	Drake Thadzi	1997-05-14 — 1998-12-12r	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 — 2006r	0
8	Antonio Tarver (3)	2007-06-09 — 2008-10-11	2
9	Chad Dawson	2008-10-11 — present	2

[edit] Cruiserweight

No.	Name	Duration of reign	Defences
1	David Izeqwire	1993-12-28 — 1994-11-05	1
2	Adolpho Washington	1994-11-05 — 1995-03-17s	0
3	Ted Cofie	1995-11-03 — 1997r	0
4	Booker T. Word	1997-04-18 — 1997r	0
5	James Toney	1997-06-14 — 1998r	0
6	Robert Daniels	1998-05-05 — 1999r	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 — 2002-04-06s	0
11	Sebastiaan Rothmann	2002-10-26 — 2004-02-06	1
12	Carl Thompson (2)	2004-02-06 — 2005-11-26r	1
13	Tomasz Adamek	2007-06-09 — 2008r	0
14	Johnathon Banks	2008-07-12 — 2009-02-27r	0
15	Danny Green	2009-08-15 — present	1

[edit] Heavyweight

No.	Name	Duration of reign	Defences
1	Pinklon Thomas	1992-11-14 — 1993-01-29r	0
2	Lionel Butler	1993-02-23 — 1993r	0
3	Danell Nicholson	1994-08-04 — 1994r	0
4	Jimmy Thunder	1994-10-29 — 1995r	1
5	Tony LaRosa	1995-07-29 — 1995r	0
6	Jimmy Thunder (2)	1995-08-08 — 1995r	0
7	Brian Nielsen	1996-01-12 — September 1999r	5
8	Lennox Lewis	1999-11-13 — 2001-04-22	3
9	Hasim Rahman	2001-04-22 — 2001-11-17	0
10	Lennox Lewis (2)	2001-11-17 — 2004-02-06r	2
11	Wladimir Klitschko	2006-04-22 — present	7

[edit] See also

• International Boxing Association
• List of IBF world champions
• List of WBA world champions
• List of WBC world champions
• List of WBO world champions

v • d • e World boxing champions Champions by weight class Heavyweight · Cruiserweight · Light heavyweight · Super middleweight · Middleweight · Super welterweight · Welterweight · Super lightweight · Lightweight · Super featherweight · Featherweight · Super bantamweight · Bantamweight · Super flyweight · Flyweight · Light flyweight · Strawweight Champions by organization WBA · WBC · IBF · WBO · IBO · The Ring · Undisputed Champions by different weight class Triple Champions (List) · Quadruple Champions (List) · Quintuple Champions (List) · Sextuple Champions (List) · Septuple champions Terms Interim championship · Undisputed championship