List of IBO world champions

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This is a list of IBO world champions, showing every world champion certificated by the International Boxing Organization (IBO) since 1993.

  • r – Champion relinquished title
  • s – Champion stripped of title

Heavyweight

Source:

No. Name Duration of reign Defenses
1 Pinklon Thomas Nov 14, 1992 – Jan 29, 1993s 0
2 Lionel Butler Feb 23, 1993 – Mar 1993s 0
3 Danell Nicholson Aug 4, 1994 – Oct 1994r 0
4 Jimmy Thunder Oct 29, 1994 – Jul 16, 1995s 2
5 Brian Nielsen Jan 12, 1996 – Jun 18, 1999s 5
6 Lennox Lewis Nov 13, 1999 – Apr 22, 2001 3
7 Hasim Rahman Apr 22, 2001 – Nov 17, 2001 0
8 Lennox Lewis (2) Nov 17, 2001 – Feb 6, 2004r 2
9 Wladimir Klitschko Apr 22, 2006 – Nov 28, 2015 18
10 Tyson Fury Nov 28, 2015 – Oct 12, 2016r 0
11 Anthony Joshua Apr 29, 2017 – Jun 1, 2019 3
12 Andy Ruiz Jr. Jun 1, 2019 – Dec 7, 2019 0
13 Anthony Joshua (2) Dec 7, 2019 – Sep 25, 2021 1
14 Oleksandr Usyk Sep 25, 2021 – present 5

Cruiserweight

Source:

No. Name Duration of reign Defenses
1 David Izeqwire Dec 28, 1993 – Nov 5, 1994 1
2 Adolpho Washington Nov 5, 1994 – Mar 17, 1995s 0
3 Ted Cofie Nov 3, 1995 – 1997r 0
4 Booker T. Word Apr 18, 1997 – 1997r 0
5 James Toney Jun 14, 1997 – 1998r 0
6 Robert Daniels May 5, 1998 – 1999r 0
7 Thomas Hearns Apr 10, 1999 – Apr 8, 2000 0
8 Uriah Grant Apr 8, 2000 – Feb 3, 2001 0
9 Carl Thompson Feb 3, 2001 – Nov 26, 2001 0
10 Ezra Sellers Nov 26, 2001 – Apr 6, 2002s 0
11 Sebastiaan Rothmann Oct 26, 2002 – Feb 6, 2004 1
12 Carl Thompson (2) Feb 6, 2004 – Feb 2006s 1
13 Tomasz Adamek Jun 9, 2007 – 2008r 0
14 Johnathon Banks Jul 12, 2008 – Feb 27, 2009s 0
15 Danny Green Aug 15, 2009 – Jul 20, 2011 4
16 Antonio Tarver Jul 20, 2011 – Jul 2012s 1
17 Danny Green (2) Nov 21, 2012 – 2013r 0
18 Ola Afolabi Nov 2, 2013 – 2015r 0
19 Rakhim Chakhkiev May 22, 2015 – Nov 4, 2015 0
20 Ola Afolabi (2) Nov 4, 2015 – Feb 27, 2016 0
21 Marco Huck Feb 27, 2016 – Apr 1, 2017s 1
22 Kevin Lerena Sep 9, 2017 – Nov 1, 2021s 6
23 Jack Massey Nov 27, 2021 – November 1, 2022s 1
24 Yves Ngabu Sep 09, 2023 – October 1,2025s 1
25 Juergen Uldedaj Oct 25, 2025 – present 0

Light heavyweight

Source:

No. Name Duration of reign Defenses
1 Lenny LaPaglia Aug 20, 1993 – 1993r 0
2 Drake Thadzi May 14, 1997 – Dec 12, 1998r 1
3 Roy Jones Jr. Nov 18, 1999 – May 15, 2004 5
4 Antonio Tarver May 15, 2004 – Dec 18, 2004 0
5 Glen Johnson Dec 18, 2004 – Jun 18, 2005 0
6 Antonio Tarver (2) Jun 18, 2005 – Jun 10, 2006 1
7 Bernard Hopkins Jun 10, 2006 – 2007r 0
8 Antonio Tarver (3) Jun 9, 2007 – Oct 11, 2008 2
9 Chad Dawson Oct 11, 2008 – Aug 14, 2010 2
10 Jean Pascal Aug 14, 2010 – May 21, 2011 1
11 Andrzej Fonfara Nov 16, 2012 – 2013s 0
12 Blake Caparello Oct 17, 2013 – 2014s 0
13 Thomas Oosthuizen Mar 14, 2015 – Jun 5, 2015s 0
14 Umar Salamov May 21, 2016 – May 17, 2017r 0
15 Igor Mikhalkin May 19, 2017 – Mar 14, 2018r 1
16 Karo Murat Mar 24, 2018 – Dec 15, 2018 0
17 Sven Fornling Dec 15, 2018 – Nov 16, 2019 0
18 Dominic Boesel Nov 16, 2019 – Oct 10, 2020 0
19 Robin Krasniqi Oct 10, 2020 – Oct 09, 2021 0
20 Dominic Boesel (2) Oct 09, 2021 – May 14, 2022s 0
21 Padraig McCrory Oct 22, 2022 – - 0
22 Lyndon Arthur Sep 01, 2023 – Dec 23, 2023 0
23 Dmitry Bivol Dec 23, 2023 – Oct 12, 2024 1
24 Artur Beterbiev Oct 12, 2024 – Feb 22, 2025 0
25 Dmitry Bivol (2) Feb 22, 2025 – present 0

Super middleweight

Source:

No. Name Duration of reign Defenses
1 Willie Ball Jul 17, 1992 – Oct 9, 1992 0
2 Todd Nadon Oct 9, 1992 – 1993r 0
3 Vinny Pazienza Dec 28, 1993 – 1994r 0
4 Rick Thornberry Apr 21, 1995 – 1996s 0
5 Karl Willis Oct 13, 1996 – 1996s 0
6 Eddie White Nov 27, 1996 – 1997s 0
7 Mads Larsen May 2, 1997 – 1999r 4
8 Dana Rosenblatt Nov 5, 1999 – 2000r 0
9 Adrian Dodson Mar 3, 2001 – Apr 7, 2001 0
10 Ramon Arturo Brítez Apr 7, 2001 – Dec 10, 2001 0
11 Brian Magee Dec 10, 2001 – Jun 26, 2004 7
12 Robin Reid Jun 26, 2004 – Aug 6, 2005 0
13 Jeff Lacy Aug 6, 2005 – Mar 4, 2006s 1
14 Fulgencio Zúñiga Sep 1, 2007 – 2008r 0
15 Sakio Bika Nov 13, 2008 – 2010s 0
16 Isaac Chilemba Jun 19, 2010 – 2011s 1
17 Thomas Oosthuizen Mar 26, 2011 – 2014s 7
18 Donovan George Aug 23, 2014 – 2014s 0
19 Zac Dunn Jun 27, 2015 – 2016s 0
20 Renold Quinlan Oct 14, 2016 – Feb 4, 2017 0
21 Chris Eubank Jr. Feb 4, 2017 – Feb 17, 2018s 2
22 Chris Eubank Jr.(2) Feb 23, 2019 – Dec 17, 2019r 0
23 Carlos Góngora Dec 18, 2020 – Dec 18, 2021r 1
24 Lerrone Richards Dec 18, 2021 – 2022s 0
25 Osleys Iglesias Dec 9, 2022 – Present 4

Middleweight

Source:

No. Name Duration of reign Defenses
1 Glenwood Brown Aug 25, 1995 – 1997r 0
2 Freeman Barr Sep 20, 1997 – 1998r 1
3 Mpush Makambi Sep 8, 1998 – Sep 30, 2000 3
4 Raymond Joval Sep 30, 2000 – 2004s 4
5 Raymond Joval (2) Jun 3, 2005 – 2006r 1
6 Daniel Geale Dec 14, 2007 – May 27, 2009 1
7 Anthony Mundine May 27, 2009 – 2009r 0
8 Peter Manfredo Jr. May 22, 2010 – 2011s 0
9 Avtandil Khurtsidze Mar 13, 2011 – 2011s 1
10 Gennady Golovkin Dec 9, 2011 – Sep 15, 2018s 17
11 Gennady Golovkin (2) Oct 5, 2019 – Jun 14, 2023r 2
12 Chris Eubank Jr. Oct, 12 2024 – present 0

Super welterweight

Source:

No. Name Duration of reign Defenses
1 Lonnie Beasley Apr 10, 1993 – 1994r 0
2 Lester Ellis Jul 17, 1995 – 1995s 0
3 Patrick Goossen Jun 26, 1996 – 1996r 0
4 Manny Sobral Dec 12, 1996 – 1997r 1
5 Adrian Stone Apr 15, 2000 – 2001r 3
6 Richard Williams Dec 1, 2002 – Jun 21, 2003 3
7 Sergio Martínez Jun 21, 2003 – 2004r 2
8 Mihály Kótai Jun 4, 2005 – Mar 3, 2006 1
9 Steve Conway Mar 3, 2006 – Jun 3, 2006 0
10 Attila Kovács Jun 3, 2006 – 2008s 1
11 Zaurbek Baysangurov Dec 4, 2010 – 2012s 1
12 Zaurbek Baysangurov (2) Apr 12, 2014 – 2015s 0
13 Erislandy Lara Jun 12, 2015 – Apr 7, 2018 4
14 Jarrett Hurd Apr 7, 2018 – May 11, 2019 1
15 Julian Williams May 11, 2019 – Jan 18, 2020 0
16 Jeison Rosario Jan 18, 2020 – Apr 1, 2020r 0
17 Erislandy Lara (2) Aug 29, 2020 – Sep 1, 2021r 0
18 Sam Eggington Jun 25, 2022 – Oct 8 2022 0
19 Dennis Hogan Oct 8, 2022 – May 20, 2023 0
20 JJ Metcalf May 20, 2023 – 2024 0
21 Uisma Lima Dec 12, 2024 – present 0

Welterweight

Source:

No. Name Duration of reign Defenses
1 Kenny Gould Jan 8, 1993 – 1993r 0
2 Johnny Bizzarro Aug 18, 1993 – Aug 4, 1994 1
3 Roger Mayweather Aug 4, 1994 – 1995r 1
4 Kip Diggs Jun 30, 1995 – 1995r 0
5 Kevin Lueshing Jul 17, 1996 – Jan 11, 1997s 0
6 José Antonio Rivera Apr 25, 1997 – 1998r 0
7 Dingaan Thobela Mar 6, 1999 – 1999r 0
8 Peter Malinga Oct 22, 1999 – 2000r 0
9 Willy Wise Dec 2, 2000 – Jun 11, 2001 0
10 Jawaid Khaliq Jun 11, 2001 – Feb 2006s 7
11 Floyd Mayweather Jr. Apr 8, 2006 – 2007r 1
12 Isaac Hlatshwayo May 12, 2007 – 2008r 2
13 Lovemore Ndou Jul 11, 2009 – 2010s 2
14 Chris van Heerden Sep 24, 2011 – 2014s 2
15 Ali Funeka Nov 15, 2014 – Jul 24, 2015 0
16 Tsiko Mulovhedzi Jul 24, 2015 – 2017s 1
17 Thulani Mbenge Jun 25, 2018 – Jul 6, 2019 1
18 Sebastian Formella Jul 6, 2019 – Aug 22, 2020s 1
19 Daniyar Yeleussinov Dec 18, 2021 – Dec 27, 2022s 0
20 Tulani Mbenge Oct 19, 2024 - Present 0

Super lightweight

Source:

No. Name Duration of reign Defenses
1 Mike Evgen Apr 9, 1992 – 1992r 0
2 Mike Johnson Feb 19, 1993 – 1994r 1
3 Roger Mayweather May 28, 1994 – 1994r 0
4 Lester Ellis Dec 3, 1994 – 1995r 0
5 Mario Martínez Jul 29, 1995 – 1995r 0
6 Darrell Hiles Sep 23, 1995 – 1995r 0
7 Verdell Smith Jan 18, 1996 – 1996r 0
8 Johar Abu Lashin Feb 28, 1997 – 1997r 0
9 Israel Cardona Apr 25, 1997 – 1997r 0
10 Ener Julio Sep 12, 1998 – 1998r 1
11 Newton Villarreal Feb 5, 2000 – Apr 7, 2001 2
12 Billy Schwer Apr 7, 2001 – Jul 14, 2001 0
13 Pablo Daniel Sarmiento Jul 14, 2001 – May 8, 2004 3
14 Colin Lynes May 8, 2004 – 2005r 1
15 Stevie Johnston Jan 27, 2006 – 2006r 0
16 Ricky Hatton Jan 20, 2007 – May 2, 2009 3
17 Manny Pacquiao May 2, 2009 – 2010s 0
18 Kaizer Mabuza Mar 3, 2012 – Jun 20, 2012 0
19 Khabib Allakhverdiev Jun 20, 2012 – Apr 12, 2014 2
20 Eduard Troyanovsky Apr 10, 2015 – Dec 3, 2016 3
21 Julius Indongo Dec 3, 2016 – Aug 7, 2017s 1
22 Mohamed Mimoune Jan 20, 2018 – Apr 27, 2019s 1
23 Jeremias Ponce Sep 14, 2019 – May 25, 2021 0
24 Zhankosh Turarov March 21, 2023 – 2024 1
25 Adam Azim February 01, 2025 – present 1

Lightweight

Source:

No. Name Duration of reign Defenses
1 Anthony Boyle Dec 28, 1993 – 1994r 0
2 Amado Cabato Dec 11, 1994 – Mar 10, 1995 0
3 Lester Ellis Mar 10, 1995 – 1995r 0
4 Billy Irwin Jun 8, 1995 – 1995r 0
5 Leavander Johnson Jul 29, 1995 – 1996r 0
6 Tony Pep Mar 7, 1996 – 1997r 1
7 Michael Ayers Mar 12, 1999 – Dec 26, 2001r 6
8 Jason Cook Nov 8, 2003 – Nov 5, 2004 1
9 Aldo Nazareno Ríos Nov 5, 2004 – 2005r 0
10 Isaac Hlatshwayo Aug 31, 2005 – 2006r 2
11 Juan Díaz Sep 6, 2008 – Feb 28, 2009s 0
12 Mlungisi Dlamini Oct 31, 2009 – Jan 29, 2010 (died in a vehicular accident) 0
13 Leonardo Zappavigna Mar 6, 2010 – 2010s 0
14 Emiliano Marsili Jan 20, 2012 – 2012s 0
15 Daud Yordan Jul 6, 2013 – 2014s 1
16 Xolisani Ndongeni Nov 28, 2015 – 2016s 0
17 Emmanuel Tagoe Dec 2, 2016 – Jun 13, 2018s 1
18 Jovanni Straffon May 1, 2021 – Sep 4, 2021 0
19 Maxi Hughes Sep 4, 2021 – Jul 22, 2023 2
20 George Kambosos Jr Jul 22, 2023 – May 12, 2024s 0

Super featherweight

Source:

No. Name Duration of reign Defenses
1 John Roby Apr 3, 1993 – Apr 21, 1994 0
2 Jeff Mayweather Apr 21, 1994 – Aug 25, 1995 2
3 Israel Cardona Aug 25, 1995 – 1995r 0
4 Jimmi Bredahl Mar 29, 1996 – 1996r 0
5 Israel Cardona (2) Apr 12, 1996 – 1996r 0
6 Troy Dorsey Oct 18, 1996 – 1997r 0
7 Charles Shepherd Jul 31, 1999 – Feb 26, 2000 0
8 Affif Djelti Feb 26, 2000 – 2002r 3
9 Cassius Baloyi Apr 17, 2002 – Jul 29, 2006 5
10 Gairy St Clair Jul 29, 2006 – Nov 4, 2006s 0
11 Cassius Baloyi (2) Feb 3, 2007 – 2007r 0
12 Billy Dib Jul 30, 2008 – 2008s 0
13 Zolani Marali Apr 2, 2009 – Sep 12, 2009 0
14 Kim Ji-hoon Sep 12, 2009 – 2010r 0
15 Will Tomlinson Nov 30, 2011 – 2014s 3
16 José Pedraza Mar 22, 2014 – 2014s 0
17 Jack Asis Apr 11, 2015 – Aug 5, 2016 0
18 Malcolm Klassen Aug 5, 2016 – Aug 5, 2017s 0
19 Shavkat Rakhimov Sep 9, 2017 – Oct 1, 2019r 3
20 Michael Magnesi Nov 27, 2020 – Sep 24, 2022 1
21 Anthony Cacace Sep 24, 2022 – present 4

Featherweight

Source:

No. Name Duration of reign Defenses
1 Derrick Gainer Nov 30, 1993 – 1994r 0
2 Radford Beasley Sep 26, 1997 – 1998r 0
3 Junior Jones Apr 10, 1999 – 1999r 0
4 Marco Antonio Barrera Apr 7, 2001 – 2002r 0
5 Naseem Hamed May 18, 2002 – 2002r 0
6 Michael Brodie Jun 21, 2003 – 2003r 0
7 Vuyani Bungu Feb 7, 2004 – Jun 25, 2005 0
8 Thomas Mashaba Jun 25, 2005 – Mar 7, 2008 4
9 Cristóbal Cruz Mar 7, 2008 – 2008r 0
10 Fernando Beltrán Jr. Aug 22, 2008 – 2009r 0
11 Jackson Asiku Nov 6, 2009 – Sep 15, 2010 0
12 Jhonny González Sep 15, 2010 – 2011s 0
13 Daud Yordan May 5, 2012 – Apr 14, 2013 1
14 Simpiwe Vetyeka Apr 14, 2013 – 2014s 1
15 Lusanda Komanisi Jul 18, 2014 – 2016s 2
16 Claudio Marrero Apr 29, 2017 – Sep 15, 2017s 0
17 Tugstsogt Nyambayar Jan 26, 2019 – Feb 8, 2020r 0
18 Jazza Dickens Oct 15, 2022 – Jul 22, 2023 0
19 Hector Andres Sosa Jul 22, 2023 – 2024 1
20 Dayan Gonzalez Dec 06, 2024 – Present 0

Super bantamweight

Source:

No. Name Duration of reign Defenses
1 John Lowey Apr 20, 1995 – 1995r 0
2 Serhiy Divakov May 21, 1996 – 1997r 0
3 Patrick Mullings Mar 28, 1998 – Aug 8, 1998 0
4 Simon Ramoni Aug 8, 1998 – 2001r 3
5 Paulie Ayala Aug 4, 2001 – 2002r 1
6 Zolani Marali Jul 11, 2003 – May 22, 2004 0
7 Thomas Mashaba May 22, 2004 – 2005r 0
8 Takalani Ndlovu Nov 4, 2005 – Jul 14, 2007s 3
9 Mike Oliver Nov 8, 2007 – 2008r 0
10 Tshifhiwa Munyai Mar 26, 2011 – 2012r 0
11 Alexander Bakhtin Sep 18, 2012 – Apr 20, 2013r 0
12 Thabo Sonjica Jul 6, 2013 – Aug 8, 2014s 1
13 Paulus Ambunda Aug 1, 2015 – Jun 11, 2016 1
14 Moises Flores Jun 11, 2016 – Jun 17, 2017s 0
15 Paulus Ambunda Sep 21, 2018 – May 11, 2019 0
16 Stephen Fulton May 11, 2019 – Jan 25, 2020r 0
17 Ludumo Lamati Jun 19, 2021 – May 24, 2022r 0
18 Eric Robles Ayala Jul 21, 2023 – 2024r 0
19 Liam Davies Mar 16, 2024 – Nov 2, 2024 0
20 Shabaz Masoud Nov 2, 2024 – present 0

Bantamweight

Source:

No. Name Duration of reign Defenses
1 Johnny Bredahl Feb 16, 1996 – Jun 5, 1998r 7
2 Noel Wilders Mar 20, 2000 – 2001r 1
3 José Sanjuanelo Jul 14, 2001 – Mar 2, 2002 1
4 Silence Mabuza Mar 2, 2002 – Nov 5, 2005 6
5 Rafael Márquez Nov 5, 2005 – 2006r 1
6 Silence Mabuza (2) May 12, 2007 – 2009r 2
7 Simpiwe Vetyeka Jul 11, 2009 – 2010r 0
8 Vic Darchinyan May 20, 2010 – Dec 11, 2010s 0
9 Vic Darchinyan (2) Apr 23, 2011 – Dec 3, 2011s 1
10 Joseph Agbeko Mar 22, 2013 – 2013s 0
11 Juan Carlos Payano Aug 2, 2015 – Jun 18, 2016 0
12 Rau'shee Warren Jun 18, 2016 – Feb 10, 2017s 0
13 Michael Dasmariñas Apr 20, 2018 – 2019s 0
14 Michell Banquez Jul 12, 2019 – 2021s 0
15 Prince Patel Dec 19, 2023 – April 01 2024r 0

Super flyweight

Source:

No. Name Duration of reign Defenses
1 Ángel Almena Jul 29, 1995 – 1995r 0
2 Ilido Julio Sep 19, 1998 – Jan 8, 1999 0
3 Edison Torres Jan 8, 1999 – Apr 3, 1999 0
4 Mauricio Pastrana Apr 3, 1999 – 1999r 0
5 Lunga Ntontela Dec 13, 2002 – 2003r 0
6 Jason Booth Sep 20, 2003 – Dec 17, 2004 1
7 Damaen Kelly Dec 17, 2004 – February 2006s 0
8 Mbwana Matumla Nov 4, 2006 – 2007r 0
9 Vic Darchinyan Oct 20, 2007 – 2008r 0
10 Zolile Mbityi May 31, 2008 – 2009r 0
11 Gideon Buthelezi Nov 10, 2012 – Jun 15, 2013 0
12 Edrin Dapudong Jun 15, 2013 – Jul 18, 2014 0
13 Lwandile Sityatha Jul 18, 2014 – 2015r 2
14 Gideon Buthelezi (2) Dec 18, 2015 – Nov 1, 2021s 3
15 Ricardo Malajika Sept 2, 2023 – present 3

Flyweight

Source:

No. Name Duration of reign Defenses
1 Scotty Olson Dec 9, 1994 – 1998r 5
2 Zolile Mbityi Oct 22, 1999 – Sep 30, 2000 1
3 Damaen Kelly Sep 30, 2000 – Nov 21, 2001s 1
4 Masibulele Makepula Jan 26, 2002 – Sep 14, 2002 0
5 Mzukisi Sikali Sep 14, 2002 – Mar 27, 2005 2
6 Vic Darchinyan Mar 27, 2005 – Jul 7, 2007 5
7 Nonito Donaire Jul 7, 2007 – 2009r 3
8 César Seda Sep 18, 2009 – 2010s 0
9 Moruti Mthalane Mar 15, 2014 – 2017s 3
10 Maximino Flores Aug 25, 2019 – 2022 0
11 Dave Apolinario July 29, 2022 – 2023 0
12 Jackson Chauke Jan 27, 2024 – Mar 1, 2025 0
13 Ricardo Malajika Mar 1, 2025 – present 0

Light flyweight

Source:

No. Name Duration of reign Defenses
1 José Sanjuanelo Nov 7, 1998 – Aug 26, 2000 0
2 José García Bernal Aug 26, 2000 – Apr 17, 2002 1
3 Monelisi Mhikiza Myekeni Apr 17, 2002 – 2004s 1
4 Hekkie Budler Feb 27, 2010 – Jan 27, 2011 1
5 Gideon Buthelezi Jan 27, 2012 – Sep 24, 2011s 0
6 Rey Loreto Feb 1, 2014 – 2016s 1
7 Hekkie Budler (2) Feb 4, 2017 – Sep 16, 2017s 0
8 Tibo Monabesa Jul 7, 2019 – Mar 1, 2019r 0
9 Mpumelelo Tshabalala Sep 14, 2024 – present 0

Minimumweight

Source:

No. Name Duration of reign Defenses
1 Noel Tuñacao Mar 8, 2003 – Dec 16, 2003r 0
2 Nkosinathi Joyi Nov 4, 2006 – Jun 2009s 3
3 Gideon Buthelezi Jun 19, 2010 – Jan 27, 2011r 0
4 Hekkie Budler Sep 24, 2011 – Mar 19, 2016s 8
5 Simphiwe Khonco Jun 11, 2016 – Oct 1, 2019r 4
6 Nkosinathi Joyi (2) Dec 16, 2019 – May 20, 2021s 0
7 Ayanda Ndulani May 21, 2021 – May 19, 2023r 1

See also

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