List of WBO world champions

This is a list of WBO world champions, showing every world champion certified by the World Boxing Organization (WBO). The WBO is one of the four major governing bodies in professional boxing, and has awarded world championships in 17 different weight classes since 1989.

Heavyweight

No.	Name	Date	Location	Defenses
1	Francesco Damiani def. Johnny du Plooy	6 May 1989	Syracuse, Italy	1
2	Ray Mercer	11 January 1991	Atlantic City, New Jersey, United States	1
Mercer was stripped of the title in December 1991 for signing for a bout against Larry Holmes instead of mandatory challenger Michael Moorer.[1]
3	Michael Moorer def. Bert Cooper	15 May 1992	Atlantic City, New Jersey, United States	0
Moorer vacated the title on 8 February 1993 so that he could be ranked by other sanctioning bodies.
4	Tommy Morrison def. George Foreman	7 June 1993	Las Vegas, Nevada, United States	1
5	Michael Bentt	29 October 1993	Tulsa, Oklahoma, United States	0
6	Herbie Hide	19 March 1994	London, England	0
7	Riddick Bowe	11 March 1995	Las Vegas, Nevada, United States	1
Bowe vacated in later 1995 to pursue a rematch with Evander Holyfield. Bowe's only defense was against Jorge Luis González on 17 June 1995 in Las Vegas, Nevada.
8	Henry Akinwande def. Jeremy Williams	29 June 1996	Indio, California, United States	2
Akinwande vacated the title on 29 January 1997 at the request of the WBC to become the mandatory challenger of the upcoming fight between Lennox Lewis and Oliver McCall for the vacant belt.[2]
9	Herbie Hide (2) def. Tony Tucker	28 June 1997	Norwich, England	2
10	Vitali Klitschko	26 June 1999	London, England, United Kingdom	2
11	Chris Byrd	1 April 2000	Berlin, Germany	0
12	Wladimir Klitschko	14 October 2000	Cologne, Germany	5
13	Corrie Sanders	8 March 2003	Hanover, Germany	0
Sanders vacated in later 2003 to concentrate on a challenge for the WBC belt against Vitali Klitschko.
14	Lamon Brewster def. Wladimir Klitschko	10 April 2004	Las Vegas, Nevada, United States	3
15	Siarhei Liakhovich	1 April 2006	Cleveland, Ohio, United States	0
16	Shannon Briggs	4 November 2006	Phoenix, Arizona, United States	0
17	Sultan Ibragimov	2 June 2007	Atlantic City, New Jersey, United States	1
18	Wladimir Klitschko (2)	23 February 2008	New York City, United States	14
19	Tyson Fury	28 November 2015	Düsseldorf, Germany	0
Fury, who had previously withdrawn from a rematch against Wladimir Klitschko before testing positive in a Voluntary Anti-Doping Association (VADA) test for cocaine on 29 September, vacated the title on 12 October 2016 after testing positive a second time, citing his need to focus on treatment for depression.[3]
20	Joseph Parker def. Andy Ruiz	10 December 2016	Auckland, New Zealand	2
21	Anthony Joshua	31 March 2018	Cardiff, United Kingdom	1
22	Andy Ruiz Jr.	1 June 2019	New York City, United States	0
23	Anthony Joshua (2)	7 December 2019	Diriyah, Saudi Arabia	1

Junior heavyweight

This weight class is designated as cruiserweight by the WBA, WBC, and IBF.

No.	Name	Date	Location	Defenses
1	Boone Pultz def. Magne Havnå	3 December 1989	Copenhagen, Denmark	0
2	Magne Havnå	17 May 1990	Aars, Denmark	2
Havnå's last defense was against Tyrone Booze on 15 February 1991 in Randers, Denmark.
3	Tyrone Booze def. Derek Angol	25 July 1992	Manchester, England	1
4	Markus Bott	13 February 1993	Hamburg, Germany	0
5	Nestor Hipolito Giovannini	26 June 1993	Hamburg, Germany	1
6	Dariusz Michalczewski	17 December 1994	Hamburg, Germany	0
Michalczewski vacated the title in favor of the WBO Light Heavyweight title, which he already held.
7	Ralf Rocchigiani def. Carl Thompson	10 June 1995	Manchester, England, United Kingdom	6
8	Carl Thompson	4 October 1997	Hanover, Germany	2
9	Johnny Nelson	27 March 1999	Derby, England	13
Title vacated on 22 September 2006. Nelson retired after suffering a back injury during training camp for his bout against Enzo Maccarinelli.[4]
10	Enzo Maccarinelli interim champion promoted	September 2006	N/A	4
11	David Haye	8 March 2008	London, England	0
Title vacated when Haye decided to move up to Heavyweight in 2008.
12	Victor Emilio Ramírez interim champion promoted	February 2009	N/A	1
13	Marco Huck	5 December 2009	Ludwigsburg, Germany	13
14	Krzysztof Głowacki	14 August 2015	Newark, United States	1
15	Oleksandr Usyk	17 September 2016	Gdansk, Poland	6
Usyk vacated the title to move up to heavyweight on 5 June 2019.[5]
16	Krzysztof Głowacki (2) interim champion promoted	5 June 2019	N/A	0
17	Mairis Briedis	15 June 2019	Riga, Latvia	0
Briedis stripped of title for not agreeing on an immediate rematch with Glowacki.[6]

Light heavyweight

No.	Name	Date	Location	Defenses
1	Michael Moorer def. Ramzi Hassan	3 December 1988	Brook Park, Ohio, United States	9
Moorer vacated the title in 1991 in order to move up to Heavyweight. His last defense was against Danny Stonewalker on 15 December 1990 at Pittsburgh, Pennsylvania
2	Leeonzer Barber def. Tom Collins	9 May 1991	Leeds, England	4
3	Dariusz Michalczewski	10 September 1994	Hamburg, Germany	23
4	Julio César González	10 October 2003	Hamburg, Germany	0
5	Zsolt Erdei	17 January 2004	Karlsruhe, Germany	11
Erdei vacated the title on 13 November 2009 in order to move up to Cruiserweight. His last defense was against Yuriy Barashian on 10 January 2009 at Magdeburg, Germany
6	Jürgen Brähmer interim champion promoted	13 November 2009	N/A	2
Brähmer was stripped of the title on 19 May 2011 after withdrawing from a bout against Nathan Cleverly, citing an eye injury.[7] His last defense was against Mariano Nicolas Plotinsky on 24 April 2010 at Alsterdorf, Germany
7	Nathan Cleverly interim champion promoted	19 May 2011	N/A	5
8	Sergey Kovalev	18 August 2013	Cardiff, Wales	8
9	Andre Ward	19 November 2016	Las Vegas, United States	1
Ward retired as the unified WBA/IBF/WBO world champion.[8] His last successful defense was against Sergey Kovalev on 6 June 2017 in Las Vegas, Nevada.
10	Sergey Kovalev (2) def. Vyacheslav Shabranskyy	25 November 2017	Madison Square Garden, New York, United States	1
11	Eleider Álvarez	4 August 2018	Hard Rock Hotel & Casino, Atlantic City, United States	0
12	Sergey Kovalev (3)	2 February 2019	Ford Center at The Star, Frisco, Texas, United States	1
13	Saúl Álvarez	2 November 2019	MGM Grand, Las Vegas, Nevada, United States	0
Álvarez vacated on December 17 to move back down to his current preferred weight division

Super middleweight

No.	Name	Date	Location	Defenses
1	Thomas Hearns def. James Kinchen	4 November 1988	Las Vegas, Nevada, United States	2
Title vacated in 1990. Hearns' last defense was against Michael Olajide on 28 April 1990 in Atlantic City, New Jersey, United States.
2	Chris Eubank def. Michael Watson	21 September 1991	London, England	14
3	Steve Collins	18 March 1995	Millstreet, Ireland	7
Collins was stripped of the title in october 1997 after suffering a leg injury during training camp and subsequently withdrawing from his bout against Joe Calzaghe.[9]
4	Joe Calzaghe def. Chris Eubank	11 October 1997	Sheffield, England	21
Calzaghe, citing difficulty making weight, vacated the title on 26 September 2008 after moving up to light heavyweight.[10] His last defense was on 3 November 2007 against Mikkel Kessler at Cardiff, Wales
5	Denis Inkin def. Fulgencio Zuniga	27 September 2008	Hamburg, Germany	0
6	Károly Balzsay	10 January 2009	Magdeburg, Germany	1
7	Robert Stieglitz	22 August 2009	Budapest, Hungary	6
8	Arthur Abraham	25 August 2012	Berlin, Germany	1
9	Robert Stieglitz (2)	23 March 2013	Magdeburg, Saxony-Anhalt Germany	2
10	Arthur Abraham (2)	1 March 2014	Magdeburg, Saxony-Anhalt Germany	5
11	Gilberto Ramírez	9 April 2016	Las Vegas, United States	5
Ramírez vacated the title on 13 May 2019 to move up to light heavyweight.[11]
12	Billy Joe Saunders def. Shefat Isufi	18 May 2019	Stevenage, England	2

Middleweight

No.	Name	Date	Location	Defenses
1	Doug DeWitt def. Robbie Sims	18 April 1989	Atlantic City, New Jersey, United States	1
2	Nigel Benn	29 April 1990	Atlantic City, New Jersey, United States	1
3	Chris Eubank	18 November 1990	Birmingham, England	3
Eubank vacated the title on 21 September 1991 to move up to Super Middleweight. His last defense was against Michael Watson on 22 June 1991 in London, England.
4	Gerald McClellan def. John Mugabi	20 November 1991	London, England	0
McClellan vacated the title on 24 February 1992 to move up to Super Middleweight.
5	Chris Pyatt def. Sumbu Kalambay	19 May 1993	Leicester, England	2
6	Steve Collins	11 May 1994	Sheffield, England	0
Collins vacated the title on 18 March 1995 to move up to Super Middleweight.
7	Lonnie Bradley def. David Mendez	19 May 1995	Primm, Nevada, United States	6
Bradley vacated title in 1997 to have eye surgery to repair a detached retina.
8	Otis Grant def. Ryan Rhodes	13 December 1997	Sheffield, England, United Kingdom	1
Grant vacated the title on 14 November 1998 to move up to light heavyweight and challenge Roy Jones Jr. for his unified WBC/WBA world titles.[12]
9	Bert Schenk def. Freeman Barr	30 January 1999	Cottbus, Germany	1
Schenk vacated title Mid-1999 due to achilles injury. He had one successful defense was against Juan Ramon Medina on 22 May 1999 in Budapest, Hungary.
10	Jason Matthews def. Ryan Rhodes	17 July 1999	Doncaster, England	0
11	Armand Krajnc	27 November 1999	Lübeck, Germany	3
Krajnc vacated the title on 4 June 2001, while in a dispute with Universum Box-Promotion; the WBO unanimously voted on 17 September 2001 that Krajnc never actually vacated and remained as WBO champion.
12	Harry Simon	6 April 2002	Copenhagen, Denmark	0
Harry Simon awarded interim title on 21 July 2001 after defeating Hacine Cherifi. At the time it was believed that Krajnc had vacated the title, however, the WBO later ruled that Krajnc remained as champion. Title vacated November 2002 after Simon sentenced to prison due to his role in fatal car crash.
13	Héctor Javier Velazco def. Andras Galfi	10 May 2003	Buenos Aires, Argentina	0
14	Felix Sturm	13 September 2003	Berlin, Germany	1
15	Oscar De La Hoya	5 June 2004	Las Vegas, Nevada, United States	0
16	Bernard Hopkins	18 September 2004	Las Vegas, Nevada, United States	1
17	Jermain Taylor	16 July 2005	Las Vegas, Nevada, United States	3
18	Kelly Pavlik	29 September 2007	Atlantic City, New Jersey, United States	3
19	Sergio Gabriel Martínez	17 April 2010	Atlantic City, New Jersey, United States	0
Martínez, who held the WBC super welterweight title at the time he defeated unified middleweight world champion Kelly Pavlik, was stripped of the WBO middleweight title on 29 May 2010 because he missed the WBO's deadline to decide on which weight class he would continue to fight in.[13]
20	Dmitry Pirog def. Daniel Jacobs	31 July 2010	Las Vegas, Nevada, United States	3
Pirog stripped of title August 2012 after being unable to defend due to back injury. Last defense was against Nobuhiro Ishida on 5 January 2012 at Moscow, Russia
21	Hassan N'Dam N'Jikam interim champ promoted	25 August 2012	NA	0
22	Peter Quillin	20 October 2012	Washington D.C., United States	3
Quillin vacated the title on 4 September 2014 after pulling out of his scheduled bout against mandatory challenger Matt Korobov.[14]
23	Andy Lee def. Matt Korobov	13 December 2014	Las Vegas, United States	1
24	Billy Joe Saunders	19 December 2015	Manchester, England	3
Saunders tested positive for the banned stimulant oxilofrine before his bout against mandatory challenger Demetrius Andrade and vacated the title on 11 October 2018, citing his lack of time to appeal.[15]
25	Demetrius Andrade def. Walter Kautondokwa	20 October 2018	Boston, United States	3

Junior middleweight

No.	Name	Date	Location	Defenses
1	John David Jackson def. Lupe Aquino	8 December 1988	Detroit, Michigan, United States	6
Jackson vacated the title in 1993 to move up to Middleweight. His last defense was against Michele Mastrodonato on 19 December 1992 in San Severo, Italy.
2	Verno Phillips def. Lupe Aquino	30 October 1993	Phoenix, Arizona, United States	4
3	Paul Jones	22 November 1995	Sheffield, England	0
Jones was stripped of the title after withdrawing from a bout against no. 1 contender Bronco McKarton 26 February 1996.[16]
4	Bronco McKart def. Santos Cardona	1 March 1996	Indio, California, United States	0
5	Ronald "Winky" Wright	17 May 1996	Monroe, Michigan, United States	3
6	Harry Simon	22 August 1998	Temba, South Africa	4
Simon vacated the title in July 2001 to move up to Middleweight. His last defense was against Wayne Alexander on 10 February 2001 in Widnes, England, United Kingdom.
7	Daniel Santos def. Yori Boy Campas	16 March 2002	Las Vegas, Nevada, United States	4
8	Sergiy Dzindziruk	3 December 2005	Magdeburg, Germany	6
Dzindziruk was stripped of the title due to inactivity caused by injuries. As a result, Zaurbek Baysangurov was promoted from interim champion.
9	Zaurbek Baysangurov interim champion promoted	5 October 2011	N/A	2
Baysangurov was stripped of the title in July 2013 after withdrawing from a bout against mandatory challenger Demetrius Andrade.[17]
10	Demetrius Andrade def. Vanes Martirosyan	9 November 2013	Corpus Christi, Texas	1
Andrade was stripped of the title due to inactivity on 31 July 2015.[18]
11	Liam Smith def. John Thompson	10 October 2015	Manchester, England	2
12	Canelo Álvarez	17 September 2016	Arlington, Texas	0
Álvarez vacated the title on 19 May 2017 to move up to middleweight
13	Miguel Cotto def. Yoshihiro Kamegai	26 August 2017	Carson, California	0
14	Sadam Ali	2 December 2017	New York City, New York, United States	0
15	Jaime Munguia	12 May 2018	Verona, New York, United States	5
Munguia vacated the title on 23 November 2019 to move up to middleweight
16	Patrick Teixeira interim champion promoted	4 December 2019	Paradise, Nevada, United States	0

Welterweight

No.	Name	Date	Location	Defenses
1	Genaro Léon def. Danny Garcia	6 May 1989	Santa Ana, California, United States	0
Title vacated in 1989.
2	Manning Galloway def. Al Hamza	15 December 1989	Yabucoa, Puerto Rico	7
3	Gert Bo Jacobsen	12 February 1993	Randers, Denmark	0
Jacobsen was stripped of the title in October 1993 after withdrawing from a bout against Eamonn Loughran due to suffering from the flu.[19]
4	Eamonn Loughran def. Lorenzo Smith	16 October 1993	Belfast, Northern Ireland	5
5	José Luis López	13 April 1996	Liverpool, England, United Kingdom	1
López was stripped of the title in November 1996 after testing positive for marijuana.[20]
6	Mihai Leu def. Santiago Samaniego	22 February 1997	Hamburg, Germany	1
Title vacated when Leu retired. His only defense was against Michael Carruth on 20 September 1997 in Aachen, Germany.
7	Ahmed Kotiev def. Leonard Townsend	14 February 1998	Stuttgart, Germany	4
8	Daniel Santos	6 May 2000	Neuss, Germany	2
Title vacated on 21 July 2001 when a bout between Santos and Antonio Margarito in Bayamón, Puerto Rico ends in a no-contest in the first round.
9	Antonio Margarito def. Antonio Díaz	16 March 2002	Las Vegas, Nevada, United States	7
10	Paul Williams	14 July 2007	Carson City, California, United States	0
11	Carlos Quintana	9 February 2008	Temecula, California, United States	0
12	Paul Williams (2)	7 June 2008	Uncasville, Connecticut, United States	0
Williams vacated the title on 14 November 2008 to move up in weight and fight for the vacant interim WBO junior middleweight world championship.[21]
13	Miguel Cotto	21 February 2009	New York, United States	1
14	Manny Pacquiao	14 November 2009	Las Vegas, Nevada, United States	3
15	Timothy Bradley	9 June 2012	Las Vegas, Nevada, United States	2
16	Manny Pacquiao (2)	12 April 2014	Las Vegas, Nevada, United States	1
17	Floyd Mayweather Jr.	2 May 2015	Las Vegas, Nevada, United States	0
Mayweather was stripped of the title on 6 July 2015 for missing the deadline to pay the WBO's sanctioning fee from his 2 May bout against Manny Pacquiao and for continuing to hold world championship titles in multiple weight classes, a violation of the WBO's rules and regulations.[22]
18	Timothy Bradley (2) interim champion promoted	6 July 2015	N/A	1
Bradley vacated the title on 9 February 2016 after he signed to face Manny Pacquiao in a rubber match instead of mandatory challenger Sadam Ali.[23]
19	Jessie Vargas def. Sadam Ali	5 March 2016	Washington, District of Columbia, United States	0
20	Manny Pacquiao (3)	5 November 2016	Las Vegas, Nevada, United States	0
21	Jeff Horn	2 July 2017	Brisbane, Australia	1
22	Terence Crawford	9 June 2018	Las Vegas, Nevada, United States	4

Junior welterweight

No.	Name	Date	Location	Defenses
1	Héctor Camacho def. Ray Mancini	6 March 1989	Reno, Nevada, United States	2
2	Greg Haugen	23 February 1991	Las Vegas, Nevada, United States	0
Haugen was stripped of the title after testing positive for marijuana.[24]
3	Héctor Camacho (2) def. Greg Haugen	19 May 1991	Reno, Nevada, United States	0
Title vacated in 1992.
4	Carlos González def. Jimmy Paul	29 June 1992	Inglewood, California, United States	3
5	Zack Padilla	7 June 1993	Las Vegas, Nevada, United States	4
Title vacated when Padilla retired after his final defense against Juan Laporte in Los Angeles, California on the 24th of July 1994.
6	Sammy Fuentes def. Fidel Avendano	20 February 1995	Inglewood, California, United States	1
7	Giovanni Parisi	9 March 1996	Milan, Italy	5
8	Carlos González (2)	29 May 1998	Pesaro, Italy	0
9	Randall Bailey	15 May 1999	Miami, Florida, United States	2
10	Ener Julio	22 July 2000	Miami, Florida, United States	0
Title vacated when a routine eye exam reveals that Julio has cataracts.
11	DeMarcus Corley def. Felix Flores	30 June 2001	Las Vegas, Nevada, United States	2
12	Zab Judah	12 July 2003	Las Vegas, Nevada, United States	1
Judah vacated the title to move up to the Welterweight division.
13	Miguel Cotto def. Kelson Pinto	11 September 2004	San Juan, Puerto Rico, United States	6
Cotto vacated the title to move up to Welterweight and challenge for the WBA title His last defense was against Paul Malignaggi on 10 June 2006 in New York City, New York.
14	Ricardo Torres def. Mike Arnaoutis	18 November 2006	Las Vegas, Nevada, United States	3
15	Kendall Holt def. Ricardo Torres	5 July 2008	Las Vegas, Nevada, United States	1
16	Timothy Bradley	4 April 2009	Montreal, Quebec, Canada	1
Bradley vacated the title after moving up to welterweight on 27 June 2012.[25] His last defense was against Joel Casamayor on 12 November 2011 in Las Vegas.
17	Juan Manuel Márquez interim champion promoted	27 June 2012	Mexico City, Mexico	0
Márquez vacated the title to move up to Welterweight and challenge Timothy Bradley for the WBO belt.
18	Mike Alvarado interim champion promoted	12 October 2013	Las Vegas, Nevada, United States	0
19	Ruslan Provodnikov	19 October 2013	Denver, Colorado, United States	0
20	Chris Algieri	14 June 2014	Brooklyn, New York, United States	0
Algieri was stripped of the title due to his upcoming bout against Manny Pacquiao for the WBO welterweight world championship.[26]
21	Terence Crawford def. Thomas Dulorme	18 April 2015	Arlington, Texas, United States	6
Crawford vacated the title to move up to welterweight on 26 October 2017.[27]
22	Maurice Hooker def. Terry Flanagan	9 June 2018	Manchester, England, United Kingdom	2
23	José Ramírez	28 July 2019	Arlington, Texas, United States	1

Lightweight

No.	Name	Date	Location	Defenses
1	Mauricio Aceves def. Amancio Castro	6 May 1989	Santa Ana, California, United States	1
2	Dingaan Thobela	22 September 1990	Brownsville, Texas, United States	2
Thobela's last defense was against Antonio Rivera on 14 September 1991 in Johannesburg, South Africa.
3	Giovanni Parisi def. Javier Altamirano	25 September 1992	Voghera, Italy	2
Parisi's last defense was against Antonio Rivera on 24 September 1993 in Rome, Italy.
4	Oscar De La Hoya def. Jorge Páez	29 July 1994	Las Vegas, Nevada, United States	6
De La Hoya's last defense was against Jesse James Leija on 15 December 1995 in New York City, New York, United States.
5	Artur Grigorian def. Antonio Rivera	13 April 1996	Hamburg, Germany	17
6	Acelino Freitas	3 January 2004	Mashantucket, Connecticut, United States	0
7	Diego Corrales	7 August 2004	Mashantucket, Connecticut, United States	1
Corrales was stripped of the title after deciding to pursue a rematch with José Luis Castillo instead of his mandatory challenger Acelino Freitas.[28]
8	Acelino Freitas (2) def. Zahir Raheem	29 April 2006	Mashantucket, Connecticut, United States	0
9	Juan Díaz	28 April 2007	Mashantucket, Connecticut, United States	1
10	Nate Campbell	8 March 2008	Cancún, Mexico	0
Campbell was stripped of his unified IBF/WBO world titles after failing to make weight the day before his bout against Ali Funeka.[29]
11	Juan Manuel Márquez def. Juan Díaz	28 February 2009	Houston, Texas, United States	2
Márquez vacates to move up to welterweight. Last defense on 27 November 2010 at Las Vegas, Nevada against Michael Katsidis
12	Ricky Burns Interim champ promoted	6 January 2012		4
13	Terence Crawford	1 March 2014	Glasgow, Scotland	2
Crawford vacates to fight for the super lightweight title. Last defense against Raymundo Beltrán on 29 November 2014 at Omaha, Nebraska, United States
14	Terry Flanagan def. Jose Zepeda	11 July 2015	Manchester, England	5
Flanagan vacated the title to move up to junior welterweight.[30]
15	Ray Beltrán def. Paulus Moses	16 February 2018	Reno, Nevada	0
16	José Pedraza	25 August 2018	Glendale, Arizona	0
17	Vasyl Lomachenko	8 December 2018	New York City, New York	3
18	Teófimo López	17 October 2020	Paradise, Nevada	0

Junior lightweight

No.	Name	Date	Location	Defenses
1	John John Molina def. Juan Laporte	29 April 1989	San Juan, Puerto Rico	0
Title vacated in later 1989.
2	Kamel Bou Ali def. Antonio Rivera	9 December 1989	Teramo, Italy	2
3	Daniel Londas	21 March 1992	San Rufo, Italy	0
4	Jimmi Bredahl	4 September 1992	Copenhagen, Denmark	1
5	Oscar De La Hoya	5 March 1994	Los Angeles, California, United States	1
De La Hoya vacated the title in order to move up to the Lightweight division. Only defense against Giorgio Campanella on April 1994 at Las Vegas, Nevada.
6	Regilio Tuur def. Eugene Speed	24 September 1994	Rotterdam, Netherlands	6
Tuur retired as the WBO junior lightweight world champion.[31]
7	Barry Jones def. Wilson Palacio	19 December 1997	London, England	0
Jones lost his boxing license after a brain scan found an anomaly. The WBO vacated his title before Jones regained his license
8	Anatoly Alexandrov def. Julien Lorcy	16 May 1998	Paris, France	1
9	Acelino Freitas	7 August 1999	Le Cannet, France	11
Freitas vacated the title to move up to the lightweight division. His last defense was against Jorge Rodrigo Barrios on 9 August 2003 in Miami, Florida.
10	Diego Corrales def. Joel Casamayor	6 March 2004	Mashantucket, Connecticut, United States	0
Corrales vacated the title to move up to the lightweight division.
11	Mike Anchondo def. Pablo Chacón	15 July 2004	Dallas, Texas, United States	0
12	Jorge Rodrigo Barrios	8 April 2005	Miami, Florida, United States	2
Barrios was stripped of the title after failing to make weight the day before his scheduled bout against Joan Guzmán.[32]
13	Joan Guzmán def. Jorge Rodrigo Barrios	16 September 2006	Las Vegas, Nevada, United States	2
Guzmán vacated the title to move up to lightweight after continued difficulties negotiating a bout against mandatory challenger Alex Arthur.[33]
14	Alex Arthur interim champion promoted	May 2008	N/A	0
15	Nicky Cook	9 September 2008	Manchester, England	0
16	Román Martínez	14 March 2009	Manchester, England	2
17	Ricky Burns	4 September 2010	Glasgow, Scotland	3
Burns vacated the title after deciding to move up to Lightweight. Last defense against Nicky Cook on July 2011 at Liverpool, England
18	Adrien Broner def. Vicente Martín Rodríguez	26 November 2011	Cincinnati, Ohio, United States	1
Broner was stripped of the title after failing to make weight the day before his scheduled bout against mandatory challenger Vicente Escobedo.[34]
19	Román Martínez def. Miguel Beltrán Jr.	15 September 2012	Las Vegas, Nevada, United States	2
20	Mikey Garcia	9 November 2013	Corpus Christi, Texas, United States	1
Garcia vacated the title to move up to junior welterweight.[35]
21	Orlando Salido interim champion promoted	14 October 2014	N/A	0
22	Román Martínez	11 April 2015	San Juan, Puerto Rico	1
23	Vasyl Lomachenko	11 June 2016	New York City, New York, United States	4
Lomachenko vacated the title after moving up in weight and defeating Jorge Linares for the WBA lightweight world championship.[36]
24	Masayuki Ito def. Christopher Díaz	28 July 2018	Kissimmee, United States	1
25	Jamel Herring	25 May 2019	Kissimmee, United States	1

Featherweight

No.	Name	Date	Location	Defenses
1	Maurizio Stecca def. Pedro Nolasco	28 January 1989	Milan, Italy	1
2	Louie Espinoza	11 November 1989	Rimini, Italy	0
3	Jorge Páez	7 April 1990	Winchester, Nevada, U.S.	1
Paez's only defense was against Troy Dorsey on 8 July 1990 in Winchester, NevadaU.S.
4	Maurizio Stecca (2) def. Armando Juan Reyes	26 January 1991	Sassari, Italy	2
5	Colin McMillan	16 February 1992	London, England	0
6	Rubén Darío Palacio	26 September 1992	London, England	0
Palacio was stripped of the title after failing a pre-fight medical examination due to testing positive for HIV.[37]
7	Steve Robinson def. John Davison	17 April 1993	Washington, England	7
8	Naseem Hamed	30 September 1995	Cardiff, Wales	15
Hamed vacated the title after HBO refused to approve mandatory challenger István Kovács as his opponent.[38]
9	István Kovács def. Antonio Díaz	27 January 2001	Munich, Germany	0
10	Pablo Chacón	16 June 2001	Budapest, Hungary	2
Chacón's last defense was against Victor Polo on 19 January 2002 in London, England
11	Scott Harrison def. Victor Santiago	8 June 2002	Glasgow, Scotland	2
12	Manuel Medina	12 July 2003	Glasgow, Scotland	0
13	Scott Harrison (2)	29 November 2003	Glasgow, Scotland	6
Harrison vacated the title after withdrawing from a bout against Nicky Cook because he could no longer make the featherweight limit.[39]
14	Juan Manuel Márquez interim champion promoted	2006	N/A	0
Márquez vacates to move up to super featherweight. Only defense against Jimrex Jaca in November 2006 at Hidalgo, Texas
15	Steven Luevano	14 July 2007	London, England	5
16	Juan Manuel López	23 January 2010	New York City, New York, U.S.	1
17	Orlando Salido	16 April 2011	Bayamón, Puerto Rico	2
18	Mikey Garcia	19 January 2013	New York City, New York, U.S.	0
Garcia was stripped of the title after failing to make weight the day before his scheduled bout against Juan Manuel López.[40]
19	Orlando Salido (2) def. Orlando Cruz	12 October 2013	Paradise, Nevada, U.S.	0
Salido was stripped of the title after failing to make weight the day before his scheduled bout against Vasyl Lomachenko.[41]
20	Vasyl Lomachenko def. Gary Russell Jr.	21 June 2014	Carson, California, U.S.	3
Lomachenko vacated the title after moving up in weight and defeating Román Martínez for the WBO junior lightweight world championship.[42]
21	Óscar Valdez def. Matías Rueda	23 July 2016	Paradise, Nevada, U.S.	6
Valdez vacated title and moved up to super featherweight
22	Shakur Stevenson def. Joet Gonzalez	26 October 2019	Reno, Nevada, U.S.	0
Stevenson vacated title and moved up to super featherweight
23	Emanuel Navarrete def. Ruben Villa	9 October 2020	Paradise, Nevada, U.S.	0

Junior featherweight

No.	Name	Date	Location	Defenses
1	Kenny Mitchell def. Julio Gervacio	29 April 1989	San Juan, Puerto Rico	1
2	Valerio Nati	9 December 1989	Teramo, Italy	0
3	Orlando Fernandez	12 May 1990	Sassari, Italy	0
4	Jesse Benavides	24 May 1991	Corpus Christi, Texas, United States	1
5	Duke McKenzie	15 October 1992	London, England	0
6	Daniel Jiménez	9 June 1993	London, England	4
7	Marco Antonio Barrera	31 March 1995	Anaheim, California, United States	8
8	Junior Jones	22 November 1996	Tampa, Florida, United States	1
9	Kennedy McKinney	18 April 1997	New York City, New York, United States	0
McKinney vacates to fight for featherweight title.
10	Marco Antonio Barrera (2) def. Richie Wenton	31 October 1998	Atlantic City, New Jersey, United States	2
11	Marco Antonio Barrera (3) reinstated as champion	March 2000		2
Title vacated when Barrera won the vacant IBO Featherweight title, defeating Naseem Hamed in Las Vegas, Nevada. His last defense was against Jesús Salud on 1 December 2000 also in Las Vegas.
12	Agapito Sánchez def. Jorge Monsalvo	23 June 2001	Las Vegas, Nevada, United States	1
Title stripped due to inactivity. Only defense was a draw against Manny Pacquiao on 11 November 2001 at San Francisco, California
13	Joan Guzmán def. Jorge Monsalvo	17 August 2002	Cardiff, Wales	2
The WBO stripped Guzman of the title due to his not making weight for a defense against Marcos Licona, scheduled for 6 November. His last defense was against Fernando Beltrán, Jr. on 22 April 2005 in Hidalgo, Texas, United States.
14	Daniel Ponce de León def. Sod Looknongyangtoy	29 October 2005	Tucson, Arizona, United States	6
15	Juan Manuel López	7 June 2008	Atlantic City, New Jersey, United States	5
Juan Manuel López vacated the title to move up to Featherweight. Last defense was on 10 October 2009 against Rogers Mtagwa at the Madison Square Garden, New York
16	Wilfredo Vázquez Jr. def. Marvin Sonsona	27 February 2010	Bayamón, Puerto Rico	2
17	Jorge Arce	7 May 2011	MGM Grand, Las Vegas	1
Arce vacated the title to move down to bantamweight.[43]
18	Nonito Donaire def. Wilfredo Vázquez Jr.	4 February 2012	San Antonio, Texas	3
19	Guillermo Rigondeaux	13 April 2013	New York, New York	3
Rigondeaux was stripped of the title due to inactivity.[44]
20	Nonito Donaire (2) def. César Juárez	11 December 2015	San Juan, Puerto Rico	1
21	Jessie Magdaleno	5 November 2016	Las Vegas, United States	1
22	Isaac Dogboe	28 April 2018	Philadelphia, USA	1
23	Emanuel Navarrete	8 December 2018	New York, USA	5
24	Angelo Leo	1 August 2020	Uncasville, USA	0
25	Stephen Fulton	23 January 2021	Uncasville, USA	0

Bantamweight

No.	Name	Date	Location	Defenses
1	Israel Contreras def. Maurizio Lupino	3 February 1989	Caracas, Venezuela	1
Contreras vacated the title in order to challenge Luisito Espinosa for the WBA title.
2	Gaby Canizales def. Miguel Lora	12 March 1991	Auburn Hills, Michigan, United States	0
3	Duke McKenzie	30 June 1991	London, England	2
4	Rafael del Valle	13 May 1992	London, England	2
5	Alfred Kotey	30 July 1994	London, England	2
6	Daniel Jiménez	21 October 1995	London, England	1
7	Robbie Regan	26 April 1996	Cardiff, Wales	0
Title vacated when Regan retired.
8	Jorge Eliécer Julio def. Oscar Maldonado	28 July 1997	Inglewood, California, United States	3
9	Johnny Tapia	8 January 2000	Albuquerque, New Mexico, United States	1
Tapia vacated to fight Paulie Ayala at super bantamweight.
10	Mauricio Martínez def. Lester Fuentes	4 September 2000	Manchester, England	1
11	Cruz Carbajal	15 March 2002	Veracruz, Mexico	2
12	Ratanachai Sor Vorapin	7 May 2004	Bangkok, Thailand	1
13	Jhonny González	29 October 2005	Tucson, Arizona, United States	1
14	Gerry Peñalosa	11 August 2007	Sacramento, California, United States	1
Title stripped due to Peñalosa not defending the belt for a year.
15	Fernando Montiel def. Diego Oscar Silva	28 March 2009	Baja California, Mexico	2
16	Nonito Donaire	19 February 2011	Las Vegas, Nevada, United States	2
Donaire vacated to move up to super bantamweight.
17	Jorge Arce def. Angky Angkotta	26 November 2011	Plaza de Toros Rea, Mazatlan, Sinaloa, Mexico	0
Arce vacated to fight at super bantamweight against Nonito Donaire.
18	Pungluang Sor Singyu def. A. J. Banal	20 October 2012	Pasay City, Metro Manila, Philippines	0
19	Paulus Ambunda	2 March 2013	Windhoek, Namibia	0
20	Tomoki Kameda	1 August 2013	Cebu, Philippines	3
Kameda's request to make his fight with Jamie McDonnell a unification bout was rejected by the WBO as McDonnell was only the "regular" champion which is considered a secondary title by the WBO. As a result, Kameda relinquished his title.
21	Pungluang Sor Singyu def. Ryo Akaho	8 August 2015	Ratchaburi, Thailand	1
22	Marlon Tapales	27 July 2016	Ayutthaya, Thailand	0
Tapales was stripped of the title after failing to make weight the day before his bout against Shohei Omori.[45]
23	Zolani Tete interim champion promoted	23 April 2017	N/A	3
24	John Riel Casimero	30 November 2019	Birmingham, England	1

Junior bantamweight

No.	Name	Date	Location	Defenses
1	José Ruíz Matos def. Bebis Rojas	29 April 1989	San Juan, Puerto Rico	4
2	José Quirino	22 February 1992	Las Vegas, Nevada, United States	0
3	Johnny Bredahl	4 September 1992	Copenhagen, Denmark	3
Bredahl's last defense was against Eduardo Nazario on 25 March 1994 in Aakirkeby, Denmark.
4	Johnny Tapia def. Henry Martínez	14 October 1994	Albuquerque, New Mexico, United States	13
Tapia's last defense was against Rodolfo Blanco on 13 February 1998 in Albuquerque, New Mexico.
5	Victor Godoi def. Pedro Morquecho	7 November 1998	Chubut, Argentina	0
6	Diego Morales	7 June 1999	Tijuana, Mexico	1
7	Adonis Rivas	20 November 1999	Las Vegas, Nevada, United States	2
8	Pedro Alcázar	16 June 2001	Panama City, Panama	1
9	Fernando Montiel	22 June 2002	Las Vegas, Nevada, United States	1
10	Mark Johnson	16 August 2003	Uncasville, Connecticut, United States	1
11	Iván Hernández	25 September 2004	Memphis, Tennessee, United States	0
12	Fernando Montiel (2)	9 April 2005	El Paso, Texas, United States	6
Montiel's's last defense was against Luis Maldonado on 31 May 2008 in Mexico.
13	José López def. Pramuansak Posuwan	28 March 2009	Bayamón, Puerto Rico	0
14	Marvin Sonsona	4 September 2009	Rama, Ontario, Canada	0
Sonsona was stripped of the title after failing to make weight on the day of his bout against Alejandro Hernández.[46]
15	Jorge Arce def. Angky Angkota	30 January 2010	Mexico City, Mexico	0
Arce had to vacate the title upon his move to bantamweight division.
16	Omar Andrés Narváez def. Everth Briceño	15 May 2010	Buenos Aires, Argentina	11
17	Naoya Inoue	30 December 2014	Tokyo, Japan	7
Inoue vacated the title to move up to bantamweight
18	Donnie Nietes def. Kazuto Ioka	31 December 2018	Macao, China	0
Donnie Nietes vacated the title to pursue a career-defining fight.[47]
19	Kazuto Ioka def. Aston Palicte	19 June 2019	Chiba City, Japan	2

Flyweight

No.	Name	Date	Location	Defenses
1	Elvis Álvarez def. Miguel Mercedes	3 March 1989	Medellín, Colombia	0
Álvarez vacated the title due to lack of interest in it.
2	Isidro Pérez def. Angel Rosario	18 August 1990	Ponce, Puerto Rico	2
3	Pat Clinton	18 March 1992	Glasgow, Scotland	1
4	Jacob Matlala	15 May 1993	Glasgow, Scotland	3
5	Alberto Jiménez	11 February 1995	Hammanskraal, South Africa	5
6	Carlos Gabriel Salazar	13 December 1996	Buenos Aires, Argentina	5
7	Ruben Sánchez León	14 August 1998	Mexicali, Mexico	1
8	José Antonio López Bueno	23 April 1999	Zaragoza, Spain	1
Title vacated in later 1999.
9	Isidro García def. José López	18 December 1999	Indio, California, United States	1
10	Fernando Montiel	15 December 2000	Ciudad Obregón, Mexico	3
Montiel vacated the title to move up to super flyweight. His las defense was 9 September 2001 against José López in Reno, Nevada, United States
11	Adonis Rivas def. Jair Jimenez	4 May 2002	Managua, Nicaragua	0
12	Omar Andrés Narváez	13 July 2002	Buenos Aires, Argentina	16
Narváez vacated the title to move up to super flyweight. His last defense was on 26 June 2009 against Omar Soto at the Luna Park, Buenos Aires
13	Julio César Miranda def. Richie Mepranum	12 June 2010	Puebla, Mexico	3
14	Brian Viloria	16 July 2011	Honolulu, Hawaii, United States	3
15	Juan Francisco Estrada	6 April 2013	Macao, China	5
Estrada vacated the title to move up to junior bantamweight.[48]
16	Zou Shiming def. Prasitsak Phaprom	5 November 2016	Las Vegas, United States	0
17	Sho Kimura	28 July 2017	Shanghai, China	2
18	Kosei Tanaka	24 September 2018	Nagoya, Japan	3
Tanaka vacated the title to move up to junior bantamweight.[49]
19	Junto Nakatani def. Giemel Magramo	6 November 2020	Las Vegas, United States	0

Junior flyweight

No.	Name	Date	Location	Defenses
1	José de Jesús def. Fernando Martínez	19 May 1989	San Juan, Puerto Rico	3
de Jesús was stripped of the title after failing to defend it in a specific time period. His last defense was against Abdi Pohan on 10 November 1990 in Jakarta, Indonesia.
2	Josué Camacho def. Eddie Vallejo	31 July 1992	San Juan, Puerto Rico	1
3	Michael Carbajal	15 July 1994	Phoenix, Arizona, United States	0
Carbajal failed to defend the title he had just won, looking forward instead to have another fight with Humberto González 4 months later.
4	Paul Weir def. Paul Oulden	23 November 1994	Irvine, Scotland	1
5	Jacob Matlala	18 November 1995	Glasgow, Scotland	2
Matlala elected to take a shot against Michael Carbajal rather than defend his title. His last defense of the title was against Mickey Cantwell on 8 February 1997 in Millwall, London.
6	Jesús Chong def. Eric Griffin	31 May 1997	Las Vegas, Nevada, United States	0
7	Melchor Cob Castro	25 August 1997	Inglewood, California, United States	0
8	Juan Domingo Córdoba	17 January 1998	Santiago del Estero, Argentina	1
9	Jorge Arce	5 December 1998	Tijuana, Mexico	1
10	Michael Carbajal (2)	31 July 1999	Tijuana, Mexico	0
Carbajal automatically vacated the title after retiring that same year.
11	Masibulele Makepula def. Jacob Matlala	19 February 2000	Brakpan, South Africa	0
Title vacated in 2000.
12	Nelson Dieppa def. Andy Tabanas	14 April 2001	New York City, United States	5
13	Hugo Cázares	30 April 2005	San Juan, Puerto Rico	4
14	Iván Calderón	25 August 2007	Guaynabo, Puerto Rico	6
15	Giovani Segura	28 August 2010	Guaynabo, Puerto Rico	1
Segura vacated the title to move up to Flyweight. His last defense of the title was on 2 April 2011 against Iván Calderón in Baja California, Mexico.
16	Jesús Géles interim champ promoted	April 2011	NA	0
17	Ramón García Hirales	30 April 2011	Mexico City, Mexico	0
18	Donnie Nietes	8 October 2011	Bacolod, Philippines	9
Nietes vacated the title to move up to flyweight.[50]
19	Kosei Tanaka def. Moisés Fuentes	31 December 2016	Gifu, Japan	2
Tanaka vacated the title to move up to flyweight.[51]
20	Ángel Acosta	2 December 2017	New York City, New York, United States	3
21	Elwin Soto	21 June 2019	Indio, California, United States	2

Mini flyweight

No.	Name	Date	Location	Defenses
1	Rafael Torres def. Yamil Caraballo	30 August 1989	Santo Domingo, Dominican Republic	1
Torres' only defense was against Husni Ray on 31 July 1990 in Jakarta, Indonesia.
2	Paul Weir def. Fernando Martínez	15 May 1993	Glasgow, Scotland	1
Weir vacated the title to move up in weight and challenge Josué Camacho for a junior flyweight world title.[52]
3	Alex Sánchez def. Orlando Malone	22 December 1993	El Condado, San Juan, Puerto Rico	6
4	Ricardo López	23 August 1997	New York City, New York, United States	0
López vacated all his titles at minimumweight to move up to light flyweight.
5	Eric Jamili def. Mickey Cantwell	19 December 1997	London, England, United Kingdom	0
6	Kermin Guardia	30 May 1998	Las Vegas, Nevada, United States	3
Guardia vacated the title to move up to light flyweight. His last defense was against Juan Alfonso Keb Baas on 6 April 2001 in Mérida, Yucatán, Mexico.
7	Jorge Mata def. Reynaldo Frutos	29 June 2002	Palma, Majorca, Spain	1
8	Eduardo Ray Márquez	28 March 2003	Madrid, Spain	0
9	Iván Calderón	3 May 2003	Las Vegas, Nevada, United States	11
Calderón vacated the title to move up to light flyweight. His last defense of the title was on 28 April 2007 against Ronald Barrera in Barranquilla, Colombia.
10	Donnie Nietes def. Pornsawan Porpramook	30 September 2007	Cebu City, Cebu, Philippines	4
Nietes vacated the title to move up in weight and challenge Ramón García Hirales for the WBO junior flyweight world championship.
11	Raúl García interim champion promoted	25 February 2011	NA	1
12	Moisés Fuentes	27 August 2011	Guadalajara, Mexico	2
Fuentes vacated the title to move up to light flyweight. His last defense of the title was on 6 October 2012 against Iván Calderón in Bayamón, Puerto Rico.
13	Merlito Sabillo interim champion promoted	19 April 2013	NA	2
14	Francisco Rodríguez Jr.	22 March 2014	Monterey, Mexico	1
Rodríguez vacated the title to move up to flyweight. His only defense of the title was on 9 August 2014 against Katsunari Takayama in Monterrey, Mexico.
15	Katsunari Takayama def. Go Odaira	31 December 2014	Osaka, Japan	0
Takayama vacated his WBO title to skip mandatory challenger in favor of a fight with former champion Fahlan Sakkreerin
16	Kosei Tanaka def. Julián Yedras	30 May 2015	Komaki, Japan	1
Tanaka vacated the title to move up to junior flyweight.[53]
17	Katsunari Takayama (2) def. Riku Kano	20 August 2016	Sanda, Japan	0
Takayama announced retirement from professional boxing in order to concentrate on training for the 2020 Summer Olympics
18	Tatsuya Fukuhara interim champion promoted	14 April 2017	N/A	0
19	Ryuya Yamanaka	27 August 2017	Ashikita, Japan	1
20	Vic Saludar	13 July 2018	Kobe, Japan	1
21	Wilfredo Mendez	24 August 2019	San Juan, Puerto Rico	2

See also

• List of WBO female world champions
• List of WBA world champions
• List of WBC world champions
• List of IBF world champions
• List of IBO world champions
• List of The Ring world champions
• List of undisputed boxing champions

References

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External links

• Official list of current WBO champions