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List of undisputed world boxing champions

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This is a list of undisputed champions in professional boxing. Eras that are not listed do not have undisputed champions.

Championship recognition

Titles have been awarded by:

New York State Athletic Commission (NYSAC), founded in 1920
World Boxing Association (WBA), founded in 1921 as the National Boxing Association (NBA); renamed to the WBA in 1962
World Boxing Council (WBC), founded in 1963
International Boxing Federation (IBF), founded in 1983
World Boxing Organization (WBO), founded in 1988

Criteria

1921–1963, a boxer who held both the NYSAC and NBA (WBA) world titles simultaneously
1963–1983, a boxer who held both the WBA and WBC world titles simultaneously
1983–2007, a boxer who held the WBA, WBC, and IBF world titles simultaneously
2007–present, a boxer who holds the WBA, WBC, IBF and WBO world titles simultaneouslyCompare and

Heavyweight

NYSAC–NBA era (1921–1963)

No.	Name	Date	Defenses
Jack Dempsey
(awarded inaugural NBA title while holding the NYSAC title)	Jan 1921 – 23 Sep 1926	3
Gene Tunney	23 Sep 1926 – 31 Jul 1928	2
location=Wetumpka, Alabama	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }}}}
Max Schmeling
(def. Jack Sharkey)	12 Jun 1930 – 6 Jan 1931	0
location= Sedalia, Missouri	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }}}}
Max Schmeling (2)
(reinstated by the NYSAC while holding the NBA title)	22 Jan – 21 Jun 1932	0
Jack Sharkey	21 Jun 1932 – 29 Jun 1933	0
Primo Carnera	29 Jun 1933 – 14 Jun 1934	2
Max Baer	14 Jun 1934 – 13 Jun 1935	0
James J. Braddock	13 Jun 1935 – 22 Jun 1937	0
Joe Louis	22 Jun 1937 – 1 Mar 1949	26
Ezzard Charles
(def. Joe Louis)	27 Sep 1950 – 18 Jul 1951	4
Jersey Joe Walcott	18 Jul 1951 – 23 Sep 1952	1
Rocky Marciano	23 Sep 1952 – 27 Apr 1956	6
location=New Brunswick, New Jersey	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }}}}
Floyd Patterson
(def. Archie Moore)	30 Nov 1956 – 26 Jun 1959	4
Ingemar Johansson	26 Jun 1959 – 29 Jun 1960	0
Floyd Patterson (2)	20 Jun 1960 – 25 Sep 1962	2
Sonny Liston	25 Sep 1962 – 22 Jul 1963	0

WBA–WBC era (1963–1983)

No.	Name	Date	Defenses	1	2
Sonny Liston
(def. Floyd Patterson)	22 Jul 1963 – 25 Feb 1964	0
Muhammad Ali	25 Feb – 14 Sep 1964	0
location= Honolulu, Hawaii	access-date=15 October 2021	via=Newspapers.com	url-access=subscription }}}}
Muhammad Ali (2)
(def. Ernie Terrell)	6 Feb – 28 Apr 1967	1
location= Hartford, Connecticut	access-date=15 October 2021	via=Newspapers.com	url-access=subscription}}}}
Joe Frazier
(def. Jimmy Ellis)	16 Feb 1970 – 22 Jan 1973	4
George Foreman	22 Jan 1973 – 29 Oct 1974	2
Muhammad Ali (3)	29 Oct 1974 – 15 Feb 1978	10
Leon Spinks	15 Feb – 19 Mar 1978	0
url-status=live	work=The New York Times	agency=Associated Press	archive-url=https://web.archive.org/web/20190708052602/https://www.nytimes.com/1978/03/19/archives/spinks-stripped-of-crown-wbc-recognizes-norton-suit-seems-likely.html	archive-date=8 July 2019	access-date=17 July 2021}}}}

WBA–WBC–IBF era (1983–2007)

No.	Name	Date
Mike Tyson
(def. Tony Tucker)	1 Aug 1987 – 11 Feb 1990	6
Buster Douglas	11 Feb – 25 Oct 1990	0
Evander Holyfield	25 Oct 1990 – 13 Nov 1992	3
Riddick Bowe	13 Nov – 14 Dec 1992	0
Lennox Lewis
(def. Evander Holyfield)	13 Nov 1999 – 12 Apr 2000	0

WBA–WBC–IBF–WBO era (2007–present)

No.	Name	Date
Oleksandr Usyk
(def. Tyson Fury)	18 May – 25 Jun 2024	0
Oleksandr Usyk (2)
(def. Daniel Dubois)	19 Jul – 17 Nov 2025	0

Cruiserweight

WBA–WBC–IBF era (1983–2007)

No.	Name	Date
Evander Holyfield
(def. Carlos De León)	9 Apr – Dec 1988	0
O'Neil Bell
(def. Jean-Marc Mormeck)	7 Jan – 6 Apr 2006	0

WBA–WBC–IBF–WBO era (2007–present)

No.	Name	Date	Defenses	1	Usyk's undisputed status ended when he vacated his WBA title and moved up to heavyweight.
Oleksandr Usyk
(def. Murat Gassiev)	21 Jul 2018 – 27 Mar 2019	1

Light heavyweight

NYSAC–NBA era (1921–1963)

No.	Name	Date	Defenses
Georges Carpentier
(awarded inaugural NBA title while holding the NYSAC title)	Jan 1921 – 24 Sep 1922	0
Battling Siki	24 Sep 1922 – 17 Mar 1923	0
Mike McTigue	17 Mar 1923 – 23 May 1925	1
Paul Berlenbach	23 May 1925 – 16 Jul 1926	3
Jack Delaney	16 Jul 1926 – 26 Jul 1927	1
location=New York, New York	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }}}}
Tommy Loughran
(def. Mike McTigue)	7 Oct 1927 – 3 Sep 1929	5
location=Chattanooga, Tennessee	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }}}}
Maxie Rosenbloom
(def. Jimmy Slattery)	Sep 1930 – 6 Jun 1931	1
location=Chicago, Illinois	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }}}}
Maxie Rosenbloom (2)
(def. Bob Godwin)	24 Mar 1933 – 17 Sep 1934	2
location=Chicago, Illinois	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }}}}
Bob Olin
(def. Maxie Rosenbloom)	16 Nov 1934 – 31 Oct 1935	0
John Henry Lewis	31 Oct 1935 – 28 Jul 1938	3
location=New York, New York	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }}}}
Billy Conn
(def. Melio Bettina)	13 Jul 1939 – 20 Dec 1940	3
location=St. Louis, Missouri	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }}}}
Gus Lesnevich
(def. Tami Mauriello)	26 Aug 1941 – 26 Jul 1948	4
Freddie Mills	26 Jul 1948 – 24 Jan 1950	0
Joey Maxim	24 Jan 1950 – 17 Dec 1952	2
Archie Moore	17 Dec 1952 – 25 Oct 1960	8
location=New York, New York	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }}}}
Harold Johnson
(def. Doug Jones)	12 May 1962 – 14 Feb 1963	1

WBA–WBC era (1963–1983)

No.	Name	Date	Defenses
Harold Johnson
(awarded inaugural WBC title while holding the WBA title)	14 Feb – 1 Jun 1963	0
Willie Pastrano	1 Jun 1963 – 30 Mar 1965	2
José Torres	30 Mar 1965 – 16 Dec 1966	3
Dick Tiger	16 Dec 1966 – 24 May 1968	2
Bob Foster	24 May 1968 – 9 Dec 1970	4
location=Troy, New York	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }}}}
Bob Foster (2)
(def. Vicente Rondón)	7 Apr 1972 – 16 Sep 1974	6
location=New York, New York	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }}}}
Michael Spinks
(def. Dwight Muhammad Qawi)	18 Mar 1983 – 25 Feb 1984	1

WBA–WBC–IBF era (1983–2007)

No.	Name	Date
Michael Spinks
(def. Eddie Davis)	25 Feb 1984 – 9 Oct 1985	2
Roy Jones Jr.
(def. Reggie Johnson)	5 Jun 1999 – 18 Nov 2002	7

WBA–WBC–IBF–WBO era (2007–present)

No.	Name	Date
Artur Beterbiev
(def. Dmitry Bivol)	12 Oct 2024 – 22 Feb 2025	0
Dmitry Bivol	22 Feb – 7 Apr 2025	0

Super middleweight

WBA–WBC–IBF–WBO era (2007–present)

No.	Name	Date
Canelo Álvarez
(def. Caleb Plant)	6 Nov 2021 – 26 Jul 2024	4
Canelo Álvarez (2)
(def. William Scull)	3 May – 13 Sep 2025	0
Terence Crawford	13 Sep – 3 Dec 2025	0

Middleweight

NYSAC–NBA era (1921–1963)

No.	Name	Date	Defenses
Johnny Wilson
(awarded inaugural NBA title while holding the NYSAC title)	Jan 1921 – 21 Jun 1922	3
work=The New York Times	access-date=21 October 2021	via=Newspapers.com	url-access=subscription }}}}
Johnny Wilson (2)
(reinstated as NYSAC champion while holding the NBA title)	12 Apr – 31 Aug 1923	0
Harry Greb	31 Aug 1923 – 25 Feb 1926	4
Tiger Flowers	25 Feb – 3 Dec 1926	1
Mickey Walker	3 Dec 1926 – 6 Jan 1931	3
work=The Gazette	access-date=21 October 2021	via=Newspapers.com	url-access=subscription }}}}
Lou Brouillard
(awarded NBA title while holding the NYSAC title)	18 Sep – 30 Oct 1933	0
Vince Dundee	30 Oct 1933 – 11 Sep 1934	2
Teddy Yarosz	11 Sep 1934 – 10 Sep 1935	0
Eddie Babe Risko	19 Sep 1935 – 11 Jul 1936	1
Freddie Steele	11 Jul 1936 – Jun 1938	5
Tony Zale
(def. Georgie Abrams)	28 Nov 1941 – 16 Jul 1947	1
work=The Tampa Tribune	access-date=21 October 2021	via=Newspapers.com	url-access=subscription }}}}
Tony Zale (2)
(def. Rocky Graziano)	10 Jun – 21 Sep 1948	0
Marcel Cerdan	21 Sep 1948 – 16 Jun 1949	0
Jake LaMotta	16 Jun 1949 – 14 Feb 1951	2
Sugar Ray Robinson	14 Feb – 10 Jul 1951	0
Randolph Turpin	10 Jul – 12 Sep 1951	0
Sugar Ray Robinson (2)	12 Sep 1951 – 19 Dec 1952	2
work=Standard-Speaker	access-date=21 October 2021	via=Newspapers.com	url-access=subscription }}}}
Bobo Olson
(def. Randy Turpin)	21 Oct 1953 – 9 Dec 1955	3
Sugar Ray Robinson (3)	9 Dec 1955 – 2 Jan 1957	1
Gene Fullmer	2 Jan – 1 May 1957	0
Sugar Ray Robinson (4)	1 May – 23 Sep 1957	0
Carmen Basilio	23 Sep 1957 – 25 Mar 1958	0
Sugar Ray Robinson (5)	25 Mar 1958 – 4 May 1959	0
work=The Decatur Herald	access-date=21 October 2021	via=Newspapers.com	url-access=subscription }}}}
Dick Tiger
(awarded NYSAC title while holding the WBA title)	9 Nov 1962 – 10 Aug 1963	1

WBA–WBC era (1963–1983)

No.	Name	Date	Defenses
Dick Tiger
(def. Gene Fullmer)	10 Aug – 7 Dec 1963	0
Joey Giardello	7 Dec 1963 – 21 Oct 1965	1
Dick Tiger (2)	21 Oct 1965 – 25 Apr 1966	0
Emile Griffith	25 Apr 1966 – 4 Mar 1968	2
Nino Benvenuti	4 Mar 1968 – 7 Nov 1970	4
Carlos Monzón	7 Nov 1970 – 23 Apr 1974	9
work=Beckley Post-Herald	access-date=19 October 2021	via=Newspapers.com	url-access=subscription }}}}
Carlos Monzón (2)
(def. Rodrigo Valdez)	26 Jun 1976 – 29 Aug 1977	1
work=The Indianapolis Star	access-date=19 October 2021	via=Newspapers.com	url-access=subscription }}}}
Rodrigo Valdez
(def. Bennie Briscoe)	5 Nov 1977 – 22 Apr 1978	0
Hugo Corro	22 Apr 1978 – 30 Jun 1979	2
Vito Antuofermo	30 Jun 1979 – 16 Mar 1980	1
Alan Minter	16 Mar – 27 Sep 1980	1
Marvin Hagler	27 Sep 1980 – 27 May 1983	6

WBA–WBC–IBF era (1983–2007)

No.	Name	Date	Defenses
Marvin Hagler
(def. Wilford Scypion)	27 May 1983 – 6 Apr 1987	5
work=The Daily Advertiser	access-date=21 October 2021	via=Newspapers.com	url-access=subscription}}}}
Bernard Hopkins
(def. Félix Trinidad)	29 Sep 2001 – 16 Jul 2005	6
Jermain Taylor	16 Jul – 11 Oct 2005	0

Light middleweight

WBA–WBC era (1963–1983)

No.	Name	Date	Defenses	1	2	3	4	5	6	{{small	Mazzinghi's undisputed status ended when he was stripped of his titles by the Italian Boxing Federation after an incorrect call made by the referee. He was stripped first of his WBA title,{{cite news
Denny Moyer
(def. Stan Harrington)	19 Feb – 29 Apr 1963	0
Ralph Dupas	29 Apr – 7 Sep 1963	1
Sandro Mazzinghi	7 Sep 1963 – 18 Jun 1965	3
Nino Benvenuti	18 Jun 1965 – 25 Jun 1966	1
Kim Ki-soo	25 Jun 1966 – 26 May 1968	2
Sandro Mazzinghi (2)	26 May – 28 Oct 1968	1
location=Saint Petersburg, Florida	access-date=23 October 2021	via=Newspapers.com	url-access=subscription }} followed by the WBC title.{{cite news	author=	date=9 November 1968	location=Dover, Ohio	title=Rematch Ordered	work=The Daily Reporter	access-date=19 October 2021	via=Newspapers.com	url-access=subscription }}}}
Freddie Little
(def. Stanley Hayward)	17 Mar 1969 – 9 Jul 1970	2
Carmelo Bossi	9 Jul 1970 – 31 Oct 1971	1
Koichi Wajima	31 Oct 1971 – 4 Jun 1974	6
Oscar Albarado	4 Jun 1974 – 21 Jan 1975	1
Koichi Wajima (2)	21 Jan 1975 – 6 Mar 1975	0
work=Tampa Bay Times	access-date=19 October 2021	via=Newspapers.com	url-access=subscription }}}}

WBA–WBC–IBF era (1983–2007)

No.	Name	Date	Defenses	1	Wright's undisputed status ended when he was stripped of his IBF title for agreeing to a rematch against Shane Mosley instead of fighting his mandatory challenger.
Winky Wright
(def. Shane Mosley)	13 Mar – 19 Apr 2004	0

WBA–WBC–IBF–WBO era (2007–present)

No.	Name	Date	Defenses	1	Charlo's undisputed status ended when he got stripped of the WBO title for fighting Canelo Álvarez instead of mandatory challenger Tim Tszyu.
Jermell Charlo
(def. Brian Castaño)	14 May 2022 – 30 Sep 2023	0

Welterweight

NYSAC–NBA era (1921–1963)

No.	Name	Date	Defenses
Jack Britton
(awarded inaugural NBA title while holding the NYSAC title)	Jan 1921 – 1 Nov 1922	4
Mickey Walker	1 Nov 1922 – 6 Jun 1923	0
location=Allentown, Pennsylvania	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }}}}
Mickey Walker (2)
(reinstated as NYSAC champion while holding the NBA title)	Nov 1923 – 20 May 1926	3
Pete Latzo	20 May 1926 – 3 Jun 1927	2
Joe Dundee	3 Jun 1927 – 22 Mar 1929	2
location=New York, New York	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }}}}
Jackie Fields
(def. Joe Dundee)	25 Jul 1929 – 9 May 1930	0
Jack Thompson	9 May – 5 Sep 1930	0
Tommy Freeman	5 Sep 1930 – 14 Apr 1931	0
Jack Thompson (2)	14 Apr – 23 Oct 1931	0
Lou Brouillard	23 Oct 1931 – 28 Jan 1932	0
Jackie Fields (2)	28 Jan 1932 – 22 Feb 1933	0
Young Corbett III	22 Feb 1933 – 29 May 1933	0
Jimmy McLarnin	29 May 1933 – 28 May 1934	0
Barney Ross	28 May – 17 Sep 1934	0
Jimmy McLarnin (2)	17 Sep 1934 – 28 May 1935	0
Barney Ross (2)	28 May 1935 – 31 May 1938	2
Henry Armstrong	31 May 1938 – 4 Oct 1940	19
Fritzie Zivic	4 Oct 1940 – 29 Jul 1941	1
Freddie Cochrane	29 Jul 1941 – 1 Feb 1946	0
Marty Servo	1 Feb – 25 Sep 1946	0
location=Windsor, Ontario	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }}}}
Sugar Ray Robinson
(def. Tommy Bell)	20 Dec 1946 – 15 Feb 1951	4
location=Sioux Falls, South Dakota	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }}}}
Kid Gavilán
(def. Johnny Bratton)	18 May 1951 – 20 Oct 1954	7
Johnny Saxton	20 Oct 1954 – 1 Apr 1955	0
Tony DeMarco	1 Apr 1955 – 14 Mar 1956	0
Carmen Basilio	10 Jun 1955 – 12 Sep 1956	0
Johnny Saxton (2)	14 Mar – 12 Sep 1956	0
Carmen Basilio (2)	12 Sep 1956 – 23 Sep 1957	1
location=Rochester, New York	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }}}}
Virgil Akins
(def. Vince Martinez)	6 Jun – 5 Dec 1958	0
Don Jordan	5 Dec 1958 – 27 May 1960	2
Benny Paret	27 May 1960 – 1 Apr 1961	1
Emile Griffith	1 Apr – 30 Sep 1961	1
Benny Paret (2)	30 Sep 1961 – 24 Mar 1962	0
Emile Griffith (2)	24 Mar 1962 – Feb 1963	2

WBA–WBC era (1963–1983)

No.	Name	Date	Defenses
Emile Griffith
(awarded inaugural WBC title while holding the WBA title)	Feb – 21 Mar 1963	0
Luis Manuel Rodríguez	21 Mar – 8 Jun 1963	0
Emile Griffith (3)	8 Jun 1963 – 10 Jun 1966	5
work=Dayton Daily News	access-date=19 October 2021	via=Newspapers.com	url-access=subscription }}}}
Curtis Cokes
(def. Jean Josselin)	28 Nov 1966 – 18 Apr 1969	4
José Nápoles	18 Apr 1969 – 3 Dec 1970	3
Billy Backus	3 Dec 1970 – 4 Jun 1971	0
José Nápoles (2)	4 Jun 1971 – 16 May 1975	9
work=The Windsor Star	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }}}}
Sugar Ray Leonard
(def. Thomas Hearns)	16 Sep 1981 – 9 Nov 1982	1
work=Lancaster New Era	access-date=19 October 2021	via=Newspapers.com	url-access=subscription }}}}

WBA–WBC–IBF era (1983–2007)

No.	Name	Date	Defenses
Donald Curry
(def. Milton McCrory)	6 Dec 1985 – 27 Sep 1986	0
Lloyd Honeyghan	27 Sep 1986 – 5 Jan 1987	0
work=The Philadelphia Inquirer	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }}}}
Cory Spinks
(def. Ricardo Mayorga)	13 Dec 2003 – 5 Feb 2005	2
Zab Judah	5 Feb 2005 – 7 Jan 2006	1
location=Baltimore, Maryland	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }} This fragmented the titles and ended the undisputed reign.}}

WBA–WBC–IBF–WBO era (2007–present)

No.	Name	Date	Defenses	1	Crawford's reign ended when he was stripped of the IBF title for choosing to rematch Errol Spence Jr. instead of fighting his mandatory challenger Jaron Ennis.
Terence Crawford
(def. Errol Spence Jr.)	29 Jul – 9 Nov 2023	0

Light welterweight

NYSAC–NBA era (1921–1963)

No.	Name	Date	Defenses
Carlos Ortiz
(def. Kenny Lane)	12 Jun 1959 – 1 Sep 1960	2
Duilio Loi	1 Sep 1960 – 14 Sep 1962	2
Eddie Perkins	14 Sep – 15 Dec 1962	0
Duilio Loi (2)	15 Dec 1962 – 24 Jan 1963	0
location=Melbourne, Victoria	access-date=25 October 2021	via=Newspapers.com	url-access=subscription }}}}

WBA–WBC era (1963–1983)

No.	Name	Date	Defenses
Eddie Perkins (2)
(def. Roberto Cruz)	15 Jun 1963 – 18 Jan 1965	2
Carlos Hernández	18 Jan 1965 – 29 Apr 1966	2
Sandro Lopopolo	29 Apr 1966 – 30 Apr 1967	1
Takeshi Fuji	30 Apr 1967 – 14 Nov 1968	1
work=The Spokesman-Review	access-date=19 October 2021	via=Newspapers.com	url-access=subscription }}}}

WBA–WBC–IBF era (1983–2007)

No.	Name	Date	Defenses	1	Tszyu's undisputed status ended when he was stripped of the WBC title and is designated as Champion Emeritus.
Kostya Tszyu
(def. Zab Judah)	3 Nov 2001 – 9 Oct 2003	2

WBA–WBC–IBF–WBO era (2007–present)

No.	Name	Date
Terence Crawford
(def. Julius Indongo)	19 Aug – 30 Aug 2017	0
Josh Taylor
(def. José Ramírez)	22 May 2021 – 14 May 2022	1

Lightweight

NYSAC–NBA era (1921–1963)

No.	Name	Date	Defenses
Benny Leonard
(awarded inaugural NBA title while holding the NYSAC title)	Jan 1921 – 15 Jan 1925	3
location=Fresno, California	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }}}}
Jimmy Goodrich
(def. Stanislaus Loayza)	13 Jul – 7 Dec 1925	0
Rocky Kansas	7 Dec 1925 – 3 Jul 1926	0
Sammy Mandell	3 Jul 1926 – 17 Jul 1930	3
Al Singer	17 Jul – 14 Nov 1930	0
Tony Canzoneri	14 Nov 1930 – 23 Jun 1933	5
Barney Ross	23 Jun 1933 – 15 Apr 1935	1
location=Saint Joseph, Michigan	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }}}}
Tony Canzoneri (2)
(def. Lou Ambers)	10 May 1935 – 3 Sep 1936	1
Lou Ambers	3 Sep 1936 – 17 Aug 1938	2
Henry Armstrong	17 Aug 1938 – 22 Aug 1939	1
Lou Ambers (2)	22 Aug 1939 – 25 Mar 1940	0
location=New York, New York	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }}}}
Sammy Angott
(def. Lew Jenkins)	19 Dec 1941 – 14 Nov 1942	1
location=Salt Lake City, Utah	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }}}}
Ike Williams
(def. Bob Montgomery)	4 Aug 1947 – 25 May 1951	5
Jimmy Carter	25 May 1951 – 14 May 1952	2
Lauro Salas	14 May – 15 Oct 1952	0
Jimmy Carter (2)	15 Oct 1952 – 5 Mar 1954	3
Paddy DeMarco	5 Mar – 17 Nov 1954	0
Jimmy Carter (3)	17 Nov 1954 – 29 Jun 1955	0
Wallace Bud Smith	29 Jun 1955 – 24 Aug 1956	1
Joe Brown	24 Aug 1956 – 21 Apr 1962	11
Carlos Ortiz	21 Apr 1962 – 7 Apr 1963	1

WBA–WBC era (1963–1983)

No.	Name	Date	Defenses
Carlos Ortiz
(def. Douglas Vaillant)	7 Apr 1963 – 10 Apr 1965	3
Ismael Laguna	10 Apr – 13 Nov 1965	0
Carlos Ortiz (2)	13 Nov 1965 – 25 Oct 1966	2
work=Daily News	access-date=18 October 2021	via=Newspapers.com	url-access=subscription }}}}
Carlos Ortiz (3)
(def. Sugar Ramos)	1 Jul 1967 – 29 Jun 1968	1
Carlos Cruz	29 Jun 1968 – 18 Feb 1969	1
Mando Ramos	18 Feb 1969 – 3 Mar 1970	1
Ismael Laguna (2)	3 Mar – 16 Sep 1970	1
work=Modesto Bee	access-date=18 October 2021	via=Newspapers.com	url-access=subscription }}}}
Ken Buchanan
(def. Rubén Navarro)	12 Feb – 25 Jun 1971	0
Roberto Durán
(def. Esteban de Jesús)	21 Jan 1978 – 2 Feb 1979	0
work=The Record	access-date=18 October 2021	via=Newspapers.com	url-access=subscription }}}}

WBA–WBC–IBF era (1983–2007)

No.	Name	Date	Defenses
Pernell Whitaker
(def. Juan Nazario)	11 Aug 1990 – 28 Feb 1992	3
location=Great Falls, Montana	access-date=22 October 2021	via=Newspapers.com	url-access=subscription }}}}

WBA–WBC–IBF–WBO era (2007–present)

No.	Name	Date	Defenses	1	Haney's undisputed status ended when the WBC declared him as champion in recess after opting to challenge for the WBC light welterweight title.
Devin Haney
(def. George Kambosos Jr)	5 Jun 2022 – 1 Aug 2023	2

Super featherweight

NYSAC–NBA era (1921–1963)

No.	Name	Date	Defenses
Tod Morgan
(awarded inaugural NBA title while holding the NYSAC title)	16 Dec 1927 – 19 Dec 1929	5
Benny Bass	19 Dec – 31 Dec 1929	0
work=The Morning News	access-date=20 October 2021	via=Newspapers.com	url-access=subscription }}}}

WBA–WBC era (1963–1983)

No.	Name	Date	Defenses
Gabriel Elorde
(def. Johnny Bizzaro)	16 Feb 1963 – 15 Jun 1967	5
Yoshiaki Numata	15 Jun – 14 Dec 1967	0
Hiroshi Kobayashi	14 Dec 1967 – 20 Jan 1969	2
work=The Cincinnati Enquirer	access-date=20 October 2021	via=Newspapers.com	url-access=subscription }}}}

Featherweight

NYSAC–NBA era (1922–1963)

No.	Name	Date	Defenses
Tony Canzoneri	10 Feb – 28 Sep 1928	0
André Routis	28 Sep 1928 – 23 Sep 1929	1
Christopher Battalino	23 Sep 1929 – 27 Jan 1932	5
location=Billings, Montana	access-date=26 October 2021	via=Newspapers.com	url-access=subscription }}}}
Henry Armstrong
(def. Petey Sarron)	29 Oct 1937 – 12 Sep 1938	0
location=Franklin, Pennsylvania	access-date=26 October 2021	via=Newspapers.com	url-access=subscription }}}}
Joey Archibald
(def. Leo Rodak)	29 Oct 1939 – 29 Mar 1940	1
location=Honolulu, Hawaii	access-date=26 October 2021	via=Newspapers.com	url-access=subscription }}}}
Willie Pep
(def. Sal Bartolo)	7 Jun 1946 – 29 Oct 1948	2
Sandy Saddler	29 Oct 1948 – 11 Feb 1949	0
Willie Pep (2)	11 Feb 1949 – 8 Sep 1950	3
Sandy Saddler (2)	8 Sep 1950 – 16 Jan 1957	2
location=Raleigh, North Carolina	access-date=26 October 2021	via=Newspapers.com	url-access=subscription }}}}
Hogan Bassey
(def. Cherif Hamia)	24 Jun 1957 – 18 Mar 1959	1
Davey Moore	18 Mar 1959 – 21 Mar 1963	5

WBA–WBC era (1963–1983)

No.	Name	Date	Defenses
Sugar Ramos
(def. Davey Moore)	21 Mar 1963 – 26 Sep 1964	3
Vicente Saldívar	26 Sep 1964 – 14 Oct 1967	7
location=Phoenix, Arizona	access-date=26 October 2021	via=Newspapers.com	url-access=subscription }}}}

Super bantamweight

WBA–WBC–IBF–WBO era (2007–present)

No.	Name	Date	Defenses	1
Naoya Inoue
(def. Marlon Tapales)	26 Dec 2023 – present	5

Bantamweight

NYSAC–NBA era (1921–1963)

No.	Name	Date	Defenses
Joe Lynch
(awarded inaugural NBA title while holding the NYSAC title)	Jan – 25 Jul 1921	0
Pete Herman	25 Jul – 23 Sep 1921	0
Johnny Buff	23 Sep 1921 – 10 Jul 1922	1
Joe Lynch (2)	10 Jul 1922 – 19 Oct 1923	2
location=Brooklyn, New York	access-date=29 October 2021	via=Newspapers.com	url-access=subscription }}}}
Abe Goldstein
(def. Joe Lynch)	21 Mar – 19 Dec 1924	3
Eddie Martin	19 Dec 1924 – 20 Mar 1925	0
Charley Phil Rosenberg	20 Mar 1925 – 18 Oct 1926	0
location=Elmira, New York	access-date=29 October 2021	via=Newspapers.com	url-access=subscription }}}}
Bushy Graham
(def. Isadore Schwartz)	23 May 1928 – Jan 1929	0
Panama Al Brown
(def. Gregorio Vidal)	7 Oct 1929 – 3 Feb 1930	0
Panama Al Brown (2)
(def. Eugène Huat)	4 Oct 1930 – 28 Mar 1934	7
Lou Salica
(def. Sixto Escobar)	26 Aug – 15 Nov 1935	0
Sixto Escobar	15 Nov 1935 – 23 Sep 1937	3
Harry Jeffra	23 Sep 1937 – 20 Feb 1938	0
Sixto Escobar (2)	20 Feb 1938 – 26 Oct 1939	1
location=Bridgewater, New Jersey	access-date=31 October 2021	via=Newspapers.com	url-access=subscription }}}}
Lou Salica (2)
(def. Georgie Pace)	24 Sep 1940 – 7 Aug 1942	3
Manuel Ortiz
(def. Lou Salica)	10 Mar 1943 – 6 Jan 1947	12
Harold Dade	6 Jan – 11 Mar 1947	0
Manuel Ortiz (2)	11 Mar 1947 – 31 May 1950	4
Vic Toweel	31 May 1950 – 15 Nov 1952	3
Jimmy Carruthers	15 Nov 1952 – 16 May 1954	3
location=Hartford, Connecticut	access-date=31 October 2021	via=Newspapers.com	url-access=subscription }}}}
Robert Cohen
(def. Chamroen Songkitrat)	19 Sep 1954 – 23 Dec 1954	1
location=Madison, Wisconsin	access-date=31 October 2021	via=Newspapers.com	url-access=subscription }}}}
Alphonse Halimi
(def. Raúl Macías)	6 Nov 1957 – 8 Jul 1959	0
José Becerra	8 Jul 1959 – 30 Aug 1960	2
location=Boston, Massachusetts	access-date=31 October 2021	via=Newspapers.com	url-access=subscription }}}}
Éder Jofre
(def. John Caldwell)	18 Jan 1962 – 4 Apr 1963	2

WBA–WBC era (1963–1983)

No.	Name	Date
Éder Jofre
(def. Katsutoshi Aoki)	4 Apr 1963 – 18 May 1965	2
Fighting Harada	18 May 1965 – 27 Feb 1968	4
Lionel Rose	27 Feb 1968 – 22 Aug 1969	3
Rubén Olivares	22 Aug 1969 – 16 Oct 1970	2
Chucho Castillo	16 Oct 1970 – 2 Apr 1971	0
Rubén Olivares (2)	2 Apr 1971 – 19 Mar 1972	2
Rafael Herrera	19 Mar – 29 Jul 1972	0
Enrique Pinder	29 Jul 1972 – 5 Jan 1973	0

WBA–WBC–IBF–WBO era (2007–present)

No.	Name	Date	Defenses	1	Inoue vacated his titles to move up to super bantamweight.
Naoya Inoue
(def. Paul Butler)	13 Dec 2022 – 13 Jan 2023	0

Super flyweight

To date, there has never been an undisputed champion in this division.

Flyweight

NYSAC–NBA era (1921–1963)

No.	Name	Date	Defenses
Pancho Villa
(def. Jimmy Wilde)	18 Jun 1923 – 14 Jul 1925	3
location=Madison, Wisconsin	access-date=6 November 2021	via=Newspapers.com	url-access=subscription }}}}
Fidel LaBarba
(def. Frankie Genaro)	22 Aug 1925 – 29 Aug 1927	2
location=Sioux Falls, South Dakota	access-date=6 November 2021	via=Newspapers.com	url-access=subscription }}}}
Benny Lynch
(def. Small Montana)	19 Jan 1937 – 29 Jun 1938	1
location=Oakland, California	access-date=6 November 2021	via=Newspapers.com	url-access=subscription }}}}
Jackie Paterson
(awarded NBA title while holding the NYSAC title)	14 Oct 1943 – 30 Jul 1947	1
location=Chattanooga, Tennessee	access-date=6 November 2021	via=Newspapers.com	url-access=subscription }}}}
Rinty Monaghan
(def. Dado Marino)	20 Oct 1947 – 30 Mar 1950	3
location=Des Moines, Iowa	access-date=6 November 2021	via=Newspapers.com	url-access=subscription }}}}
Dado Marino
(def. Terry Allen)	1 Aug 1950 – 19 May 1952	1
Yoshio Shirai	19 May 1952 – 26 Nov 1954	4
Pascual Perez	26 Nov 1954 – 16 Apr 1960	9
Pone Kingpetch	16 Apr 1960 – 10 Oct 1962	3
Fighting Harada	10 Oct 1962 – 12 Jan 1963	0
Pone Kingpetch (2)	12 Jan – 14 Feb 1963	0

WBA–WBC era (1963–1983)

No.	Name	Date	Defenses
Pone Kingpetch
(awarded inaugural WBC title while holding the WBA title)	14 Feb – 18 Sep 1963	0
Hiroyuki Ebihara	18 Sep 1963 – 23 Jan 1964	0
Pone Kingpetch (3)	23 Jan 1964 – 23 Apr 1965	0
Salvatore Burruni	23 Apr – 1 Nov 1965	0
location=Madison, Wisconsin	access-date=6 November 2021	via=Newspapers.com	url-access=subscription }}}}
Horacio Accavallo
(def. Katsuyoshi Takayama)	1 Mar 1966 – 2 Oct 1968	1

Light flyweight

To date, there has never been an undisputed champion in this division.

Mini flyweight

To date, there has never been an undisputed champion in this division.

List of champions in multiple weight classes

Below is a list of boxers that have held the undisputed championship in at least two different weight classes. As of September 2025, Henry Armstrong and Terence Crawford are the only boxers to have held the claim in three weight classes.

Name	Weight class	Date
Mickey Walker	Welterweight	1 Nov 1922
Middleweight	3 Dec 1926
Tony Canzoneri	Featherweight	10 Feb 1928
Lightweight	14 Nov 1930
Lou Brouillard	Welterweight	23 Oct 1931
Middleweight	18 Sep 1933
Barney Ross	Lightweight	23 Jun 1933
Welterweight	28 May 1934
Henry Armstrong	Featherweight	29 Oct 1937
Welterweight	31 May 1938
Lightweight	17 Aug 1938
Sugar Ray Robinson	Welterweight	20 Dec 1946
Middleweight	14 Feb 1951
Carmen Basilio	Welterweight	10 Jun 1955
Middleweight	23 Sep 1957
Carlos Ortiz	Light welterweight	12 Jun 1959
Lightweight	21 Apr 1962
Fighting Harada	Flyweight	10 Oct 1962
Bantamweight	18 May 1965
Emile Griffith	Welterweight	1 Apr 1961
Middleweight	25 Apr 1966
Dick Tiger	Middleweight	10 Aug 1963
Light heavyweight	16 Dec 1966
Nino Benvenuti	Light middleweight	18 Jun 1965
Middleweight	17 Apr 1967
Evander Holyfield	Cruiserweight	9 Apr 1988
Heavyweight	25 Oct 1990
Terence Crawford	Light welterweight	19 Aug 2017
Welterweight	29 Jul 2023
Super middleweight	13 Sep 2025
Naoya Inoue	Bantamweight	13 Dec 2022
Super bantamweight	26 Dec 2023
Oleksandr Usyk	Cruiserweight	21 July 2018
Heavyweight	18 May 2024

References

(1 March 1949). "Louis Retires; Will Promote Title Fight". The Central New Jersey Home News.
Martinez, Michael. (15 December 1992). "BOXING; Bowe Trashes His W.B.C. Title Belt". The New York Times.
(13 April 2000). "Hard-Hitting Federal Judge Strips Lewis of WBA Title". Los Angeles Times.
IBF. (26 June 2024). "IBF Heavyweight title status". IBF.
(17 November 2025). "Oleksandr Usyk relinquishes WBO heavyweight title after being told to defend against Fabio Wardley". Sky Sports.
Rafael, Dan. (6 April 2006). "Notebook: Mayweather is in the zone". ESPN.
Stumberg, Patrick. (27 March 2019). "Usyk officially vacates WBA cruiserweight belt". Badlefthook.
Lorenz, Rich. (10 October 1985). "WBC takes away 1 of Spinks' titles". Chicago Tribune.
Leon, Gregory. (18 November 2022). "Roy Relinquishes IBF Title!". Boxingtime.
Coppinger, Mike. (7 April 2025). "Bivol to vacate title, plans to proceed fight with Beterbiev triolgy fight". RingMagazine.
Donovan, Jake. (26 July 2024). "Saul 'Canelo' Alvarez stripped of IBF 168-pound title ahed of Sept. 14 Edgar Berlanga showdown". The Ring.
WBC. (3 December 2025). "Status of WBC super middleweight division / Executive decision". WBC.
(2025-12-17). "Terence Crawford retirement: American boxing great ends career at 38".
. (12 October 2005). ["Taylor drops IBF belt for Hopkins"](http://news.bbc.co.uk/sport2/hi/boxing/4334016.stm). *BBC Sport*.
Cotey, John C.. (22 April 2004). "IBF strips Wright of its title". Tampa Bay Times.
Naghten, Tom. (3 August 2023). "Jermell Charlo to be stripped of WBO super-welterweight title, Tim Tszyu to be elevated to champion". The Sporting News.
Coppinger, Mike. (9 November 2023). "Terence Crawford stripped of IBF title; Jaron Ennis now champ". ESPN.
CBC Sports. (9 October 2003). "Lucas, Gatti granted title shots". CBC News.
Rafael, Dan. (30 August 2017). "Terence Crawford vacates IBF 140-pound world title he won on Aug. 19". ESPN.
Milano, Jesús. (14 May 2022). "WBA Super Lightweight title is now vacant". WBA.
. (26 June 1971). ["Buchanan loses WBC title"](https://www.newspapers.com/newspage/144436795/). *Asbury Park Press*.
WBC. (1 August 2023). "Update of WBC lightweight and super lightweight divisions". WBC.
"NYSAC World Bantamweight Title (Boxing)".
. (6 January 1973). ["Vacate title"](https://www.newspapers.com/image/464323688/). *Daily News*.
Songalia, Ryan. (13 January 2023). "Naoya Inoue vacates undisputed bantamweight championship, will move up to 122 pounds". The Ring.
. (3 October 1968). ["Flyweight Champ Giving Up Title"](https://www.newspapers.com/image/61985359/). *San Antonio Express*.

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