Heavyweight
Cruiserweight
Light Heavyweight
Super Middleweight
Middleweight
Light Middleweight
Welterweight
Light Welterweght
Lightweight
Super Feathertweight
Featherweight
Super Bantamweight
Bantamweight
Super Flyweight
Flyweight
Light Flyweight
Minimumweight
| Title Holder | Tenure | Status | Def | Birthplace |
| Sergio Gabriel Martinez | 2010- | WBC | 0 | Argentina |
| WBO Stripped Martinez of title. | ||||
| Sergio Gabriel Martinez | 2010 | WBC-WBO | 0 | Argentina |
| Sebastian Sylvester | 2009- | IBF | 2 | Germany |
| Felix Strum | 2007- | WBA | 7 | Germany |
| Kelly Pavlik | 2007-2010 | WBC-WBO | 3 | USA |
| Javier Castillejo | 2006-2007 | WBA | 1 | Spain |
| Felix Strum | 2006 | WBA | 0 | Germany |
| Arthur Abraham | 2005-2009 | IBF | 10 | Armenia |
| Abraham vacated the title to compete at Super Middleweight. | ||||
| Jermain Taylor | 2005-2007 | WBC-WBO | 4 | USA |
| Jermain Taylor | 2005 | Undisputed | 1 | USA |
| Maselino Masone | 2004-2006 | WBA | 0 | W Samoa |
| Bernard Hopkins | 2004-2005 | Undisputed | 1 | USA |
| Oscar De La Hoya | 2004 | WBO | 0 | USA |
| Felix Strum | 2003-2004 | WBO | 1 | Germany |
| Hector Javier Velazco | 2003 | WBO | 0 | Argentina |
| Harry Simon | 2002-2003 | WBO | 0 | Namibia |
| Bernard Hopkins | 2001-2004 | WBC-WBO-IBF | 6 | USA |
| William Joppy | 2001-2002 | WBA | 1 | USA |
| Bernard Hopkins | 2001 | WBC-IBF | 7 | USA |
| Felix Trinidad | 2001 | WBA | 0 | Puerto Rico |
| Armand Krajnc | 1999-2002 | WBO | 3 | Slovenia |
| Keith Holmes | 1999-2001 | WBC | 2 | USA |
| Bert Schenk | 1999 | WBO | 1 | Germany |
| Schenk stripped of title due to injury. | ||||
| Bernard Hopkins | 1999 | IBF | 4 | USA |
| Jason Matthews | 1999 | WBO | 0 | England |
| William Joppy | 1998-2001 | WBA | 5 | USA |
| Hassine Cherifi | 1998-1999 | WBC | 0 | France |
| Otis Grant | 1998 | WBO | 1 | Canada |
| Grant relinquished title to fight for WBA and WBC titles. | ||||
| Julio Cesar Green | 1997-1998 | WBA | 0 | Dom Rep |
| Keith Holmes | 1996-1998 | WBC | 2 | USA |
| William Joppy | 1996-1997 | WBA | 2 | USA |
| Bernard Hopkins | 1995-1998 | IBF | 9 | USA |
| Hopkins unified IBF and WBC titles. | ||||
| Lonnie Bradley | 1995-1997 | WBO | 6 | USA |
| Bradley vacated title due to injury. | ||||
| Quincy Taylor | 1995-1996 | WBC | 0 | USA |
| Shinji Takehara | 1995-1996 | WBA | 0 | Japan |
| Jullian Jackson | 1995 | WBC | 0 | Virgin Island |
| Steve Collins | 1994-1995 | WBO | 0 | Ireland |
| Collins relinquished title on wining WBO Super Middleweight title. | ||||
| Jorge Castro | 1994-1995 | WBA | 4 | Argentina |
| Gerald McClellan | 1993-1995 | WBC | 3 | USA |
| McClellan relinquished title to box at Super Middleweight. | ||||
| Chris Pyatt | 1993-1994 | WBO | 2 | England |
| Roy Jones Jnr | 1993-1994 | IBF | 1 | USA |
| Jones relinquished title to compete at Super Middleweight. | ||||
| John David Jackson | 1993-1994 | WBA | 0 | USA |
| WBA stripped Jackson of the title. | ||||
| Reggie Johnson | 1992-1993 | WBA | 3 | USA |
| James Toney | 1991-1993 | IBF | 6 | USA |
| Tony vacated title to defend his IBF Super Middleweight title. | ||||
| Gerald McClellan | 1991-1993 | WBO | 0 | USA |
| McClellan relinquished title to box for WBC version. | ||||
| Julian Jackson | 1990-1993 | WBC | 4 | Virgin Island |
| Chris Eubank | 1990-1991 | WBO | 3 | England |
| Eubank relinquished title to box at Super Middleweight. | ||||
| Nigel Benn | 1990 | WBO | 1 | England |
| Mike McCallum | 1989-1991 | WBA | 3 | Jamaica |
| McCallum agreed to fight for the IBF title, WBA stripped him of title. | ||||
| Roberto Duran | 1989-1990 | WBC | 0 | Panama |
| Duran stripped of the title by WBC. | ||||
| Doug De Witt | 1989-1990 | WBO | 1 | USA |
| Michael Nunn | 1988-1991 | IBF | 5 | USA |
| Iran Barkley | 1988-1989 | WBC | 0 | USA |
| Sumbu Kalambay | 1987-1989 | WBA | 3 | Zaire |
| Kalambay stripped for failing to defend against mandatory. | ||||
| Frank Tate | 1987-1988 | IBF | 1 | USA |
| Thomas Hearns | 1987-1988 | WBC | 0 | USA |
| Marvin Hagler | 1987 | WBC-IBF | 0 | USA |
| Sugar Ray Leonard | 1987 | WBC | 0 | USA |
| IBF stripped Leonard and he relinquished the WBC title. | ||||
| Marvin Hagler | 1980-1987 | Undisputed | 12 | USA |
| WBA stripped Hagler for failing to defend against mandatory. | ||||
| Alan Minter | 1980 | Undisputed | 1 | England |
| Vito Antuofermo | 1979-1980 | Undisputed | 1 | Italy |
| Hugo Corro | 1978-1979 | Undisputed | 2 | Argentina |
| Rodrigo Valdez | 1977-1978 | Undisputed | 0 | Colombia |
| Carlos Monzon | 1976-1977 | Undisputed | 0 | Argentina |
| Monzon unifies the division then retires. | ||||
| Carlos Monzon | 1974-1976 | WBA | 4 | Argentina |
| Rodrigo Valdez | 1974-1976 | WBC | 4 | Colombia |
| Carlos Monzon | 1970-1974 | Undisputed | 9 | Argentina |
| WBC stripped Monzon for failure to defend against mandatory. | ||||
| Nino Benvenuti | 1968-1970 | Undisputed | 4 | Italy |
| Emile Griffith | 1967-1968 | Undisputed | 0 | Virgin Islands |
| Nino Benvenuti | 1967 | Undisputed | 0 | Italy |
| Emile Griffith | 1966-1967 | Undisputed | 2 | Virgin Islands |
| Dick Tiger | 1965-1966 | Undisputed | 0 | Nigeria |
| Joey Giardello | 1963-1965 | Undisputed | 1 | USA |
| Dick Tiger | 1963 | Undisputed | 0 | Nigeria |
| Dick Tiger | 1962-1963 | NBA | 2 | Nigeria |
| Terry Downes | 1961-1962 | NY-EBU | 0 | England |
| Paul Pender | 1960-1961 | NY-EBU | 3 | USA |
| Pender failed to defend title. | ||||
| Gene Fullmer | 1959-1962 | NBA | 7 | USA |
| Sugar Ray Robinson | 1959-1960 | NY | 0 | USA |
| NBA stripped Robinson for his failure to defend against Basilio. | ||||
| Sugar Ray Robinson | 1958-1959 | Undisputed | 0 | USA |
| Carmen Basilio | 1957-1958 | Undisputed | 0 | USA |
| Gene Fulmer | 1957 | Undisputed | 0 | USA |
| Sugar Ray Robinson | 1957 | Undisputed | 0 | USA |
| Sugar Ray Robinson | 1955-1957 | Undisputed | 1 | USA |
| Carl Bobo Olson | 1953-1955 | Undisputed | 3 | USA |
| Sugar Ray Robinson | 1951-1952 | Undisputed | 2 | USA |
| Robinson announced his retirement. | ||||
| Sugar Ray Robinson | 1951 | Undisputed | 0 | USA |
| Randy Turpin | 1951 | Undisputed | 0 | England |
| Jake La Motta | 1950-1951 | Undisputed | 0 | USA |
| Jake La Motta | 1949-1950 | Undisputed | 2 | USA |
| Marcel Cerdan | 1948-1949 | Undisputed | 0 | Algeria |
| Tony Zale | 1948 | Undisputed | 0 | USA |
| Rocky Graziano | 1947-1948 | Undisputed | 0 | USA |
| Tony Zale | 1941-1947 | Undisputed | 0 | USA |
| Billy Soose | 1941 | NY | 0 | USA |
| NY commission stripped Soose for failing to defend the title. | ||||
| Ken Overlin | 1940-1941 | NY | 2 | USA |
| Tony Zale | 1940-1941 | NBA | 3 | USA |
| Al Hostak | 1939-1940 | NBA | 1 | USA |
| Ceferino Garcia | 1939-1940 | NY | 2 | Philippines |
| Solly Kreiger | 1938-1939 | NBA | 0 | USA |
| Fred Apostoli | 1938-1939 | NY | 0 | USA |
| Edouard Tenet | 1938 | IBU | 0 | France |
| Freddie Steele | 1938 | NBA | 0 | USA |
| Al Hostak | 1938 | NBA | 0 | USA |
| Fred Apostoli | 1937-1938 | IBU | 0 | USA |
| Freddie Steele | 1936-1938 | NY-NBA | 5 | USA |
| NY commission stripped Steele for failure to defend against mandatory. | ||||
| Ed Babe Risko | 1935-1936 | NY-NBA | 1 | USA |
| Teddy Yarosz | 1934-1935 | NY-NBA | 0 | USA |
| Marcel Thil | 1933-1937 | IBU | 9 | France |
| Vince Dundee | 1933-1934 | NY-NBA | 2 | USA |
| Ben Jeby | 1933 | NY | 2 | USA |
| Lou Brouillard | 1933 | NY | 1 | Canada |
| Lou Brouillard | 1933 | NY-NBA | 0 | Canada |
| Marcel Thil | 1932-1933 | NBA-IBU | 0 | France |
| Gorilla Jones | 1932 | NBA | 1 | USA |
| NBA withdrew recognition of Jones as champion. | ||||
| Mickey Walker | 1926-1931 | NY | 3 | USA |
| Walker relinquished the title. | ||||
| Tiger Flowers | 1926 | NY | 1 | USA |
| Harry Greb | 1923-1926 | NY | 5 | USA |
| Mike O'Dowd | 1922-1923 | NY | 0 | USA |
| O'Dowd retired before defending the title. | ||||
| Dave Rosenburg | 1922 | NY | 0 | USA |
| Johnny Wilson | 1920-1921 | NBA | 1 | USA |
| Mike O'Dowd | 1917-1920 | USA | 3 | USA |
| Les Darcy | 1915-1917 | AUST | 9 | Australia |
| Darcy died in Memphis before challenging for American title. | ||||
| Al McCoy | 1914-1917 | USA | 0 | USA |
| Jeff Smith | 1914-1915 | AUST | 2 | USA |
| Eddie McGoorty | 1914 | AUST | 1 | USA |
| Jeff Smith | 1914 | AUST | 2 | USA |
| Mick King | 1914 | AUST | 0 | Australia |
| George Chip | 1913-1914 | USA | 1 | USA |
| Frank Klaus | 1912-1913 | USA | 0 | USA |
| Billy Papke | 1910-1913 | USA | 2 | USA |
| Stanley Ketchel | 1908-1910 | USA | 0 | USA |
| Ketchel was shot to death and papke claimed the title. | ||||
| Stanley Ketchel | 1908 | USA | 2 | USA |
| Billy Papke | 1908 | USA | 0 | USA |
| Stanley Ketchel | 1908 | USA | 1 | USA |
| Ketchel vacated title due to weight problems. | ||||
| Billy Papke | 1908 | USA | 0 | USA |
| Ketchel reclaimed his title. | ||||
| Tommy Ryan | 1898-1905 | USA | 4 | USA |
| Ryan announced his retirement. | ||||
| Kid McCoy | 1896-1898 | USA | 3 | USA |
| McCoy relinquished title. | ||||
| Nonpareil Jack Dempsey | 1896-1891 | USA | 3 | Ireland |
| Bob Fitzsimmons | 1891-1894 | USA | 1 | England |
| Fitzsimmons relinquished title to box at Heavyweight. | ||||
| Bold ( Indicates Current Holder) - Bold (Indicates Undisputed) - * (Indicates WBA Super) | ||||