| No,Champion,Recognition,Begin_reign,End_reign,Days,Title_defenses,Additional_recognition | |
| John L. Sullivan,World,"August 29, 1885","September 7, 1892","2,566",–,,25 | |
| James J. Corbett,World,"September 7, 1892","March 17, 1897","1,652",def.,,5 | |
| Bob Fitzsimmons,World,"March 17, 1897","June 9, 1899",814,–,, | |
| James J. Jeffries,World,"June 9, 1899","May 15, 1905","2,166",def.,,2 | |
| Marvin Hart,World,"July 3, 1905","February 23, 1906",235,–,,1 | |
| Tommy Burns,World,"February 23, 1906","December 26, 1908","1,037","def. James J. Walker on March 28, 1906",, | |
| Jack Johnson,World,"December 26, 1908","April 5, 1915","2,291",draw vs.,,7 | |
| Jess Willard,World,"April 5, 1915","July 4, 1919","1,551",def.,, | |
| Jack Dempsey,World,"July 4, 1919","July 2, 1921",729,def.,The Ring, | |
| NBA,"July 2, 1921","July 24, 1922",387,–,,[, | |
| "NBA, and NYSAC","July 24, 1922","September 23, 1926","1,522",def.,,[, | |
| Gene Tunney,"NBA, and NYSAC","September 23, 1926","July 31, 1928",677,def.,The Ring,2 | |
| Max Schmeling,"NBA, and NYSAC","June 12, 1930","January 7, 1931",209,–,The Ring,1 | |
| "NBA, and IBU","January 7, 1931","June 21, 1932",531,def.,1,[, | |
| Jack Sharkey,"NBA, NYSAC, and IBU","June 21, 1932","June 29, 1933",373,–,The Ring, | |
| Primo Carnera,"NBA, NYSAC, and IBU","June 29, 1933","June 14, 1934",350,def.,The Ring,1 | |
| Max Baer,"NBA, NYSAC, and IBU","June 14, 1934","June 13, 1935",364,–,The Ring,9 | |
| James J. Braddock,"NBA, NYSAC, and IBU","June 13, 1935","June 22, 1937",740,–,The Ring, | |
| Joe Louis,"NBA, NYSAC, and IBU","June 22, 1937","March 1, 1949","4,270",def.,The Ring,2 | |
| Ezzard Charles,NBA,"June 22, 1949","September 27, 1950",462,def.,The Ring,1 | |
| "NBA, and NYSAC","September 27, 1950","June 16, 1951",261,"def. Nick Barone on December 5, 1950",1,[, | |
| "NBA, NYSAC, and IBU","June 16, 1951","July 18, 1951",33,–,,[, | |
| Jersey Joe Walcott,"NBA, and NYSAC","July 18, 1951","September 23, 1952",433,def.,The Ring, | |
| Rocky Marciano,"NBA, and NYSAC","September 23, 1952","April 27, 1956","1,312",def.,The Ring,2 | |
| Floyd Patterson,"NBA, and NYSAC","November 30, 1956","June 26, 1959",938,def.,The Ring,1 | |
| Ingemar Johansson,"NBA, and NYSAC","June 26, 1959","June 20, 1960",360,–,The Ring, | |
| Floyd Patterson,"NBA, and NYSAC","June 20, 1960","September 25, 1962",827,def.,The Ring, | |
| Sonny Liston,"NYSAC, and WBA","September 25, 1962","July 22, 1963",270,def.,The Ring, | |
| "NYSAC, WBA, and WBC","July 22, 1963","February 25, 1964",248,–,,[, | |
| Muhammad Ali,"NYSAC, WBA, and WBC","February 25, 1964","June 19, 1964",115,–,The Ring,12 | |
| "NYSAC, and WBC","June 19, 1964","February 6, 1967",962,def.,,[, | |
| "NYSAC, WBA, and WBC","February 6, 1967","April 29, 1967",82,def.,13,[, | |
| Ernie Terrell,WBA,"March 5, 1965","February 6, 1967",703,def.,–,1 | |
| Joe Frazier,NYSAC,"March 4, 1968","February 16, 1970",714,def.,The Ring,1 | |
| "WBA, and WBC","February 16, 1970","January 22, 1973","1,071",def.,15,[, | |
| Jimmy Ellis,WBA,"April 27, 1968","February 16, 1970",660,def.,–,1 | |
| George Foreman,"WBA, and WBC","January 22, 1973","October 30, 1974",646,def.,The Ring,1 | |
| Muhammad Ali,"WBA, and WBC","October 30, 1974","February 15, 1978","1,204",def.,The Ring, | |
| Leon Spinks,"WBA, and WBC","February 15, 1978","March 18, 1978",31,–,The Ring,3 | |
| WBA,"March 18, 1978","September 15, 1978",181,–,,[, | |
| Ken Norton,WBC,"March 18, 1978","June 9, 1978",83,–,–,16 | |
| Larry Holmes,WBC,"June 9, 1978","December 11, 1983","2,011",def.,The Ring,2 | |
| IBF,"December 11, 1983","September 21, 1985",650,def.,17,[, | |
| Muhammad Ali,WBA,"September 15, 1978","October 18, 1979",398,–,The Ring,2 | |
| John Tate,WBA,"October 20, 1979","March 31, 1980",163,–,–,1 | |
| Mike Weaver,WBA,"March 31, 1980","December 10, 1982",984,def.,–, | |
| Michael Dokes,WBA,"December 10, 1982","September 23, 1983",287,draw vs.,–, | |
| Gerrie Coetzee,WBA,"September 23, 1983","December 1, 1984",435,–,–, | |
| Tim Witherspoon,WBC,"March 9, 1984","August 31, 1984",175,–,–,1 | |
| Pinklon Thomas,WBC,"August 31, 1984","March 22, 1986",568,def.,–, | |
| Greg Page,WBA,"December 1, 1984","April 29, 1985",149,–,–, | |
| Tony Tubbs,WBA,"April 29, 1985","January 17, 1986",263,–,–, | |
| Michael Spinks,IBF,"September 21, 1985","February 26, 1987",523,def.,The Ring,3 | |
| Tim Witherspoon,WBA,"January 17, 1986","December 12, 1986",329,def.,–, | |
| Trevor Berbick,WBC,"March 22, 1986","November 22, 1986",245,–,–, | |
| Mike Tyson,WBC,"November 22, 1986","March 7, 1987",105,def.,The Ring, | |
| "WBA, and WBC","March 7, 1987","August 1, 1987",147,def.,,[, | |
| "WBA, WBC, and IBF","August 1, 1987","February 11, 1990",925,def.,,[, | |
| "James ""Bonecrusher"" Smith",WBA,"December 12, 1986","March 7, 1987",85,–,–, | |
| Tony Tucker,IBF,"May 30, 1987","August 1, 1987",64,–,–,1 | |
| Francesco Damiani,WBO,"May 6, 1989","January 11, 1991",616,"def. Daniel Eduardo Neto on December 16, 1989",–,1 | |
| "James ""Buster"" Douglas","WBA, WBC, and IBF","February 11, 1990","October 25, 1990",257,–,–, | |
| Evander Holyfield,"WBA, WBC, and IBF","October 25, 1990","November 13, 1992",751,def.,–, | |
| Ray Mercer,WBO,"January 11, 1991","December 24, 1991",348,def.,–,3 | |
| Michael Moorer,WBO,"May 15, 1992","February 3, 1993",265,–,–,1 | |
| Riddick Bowe,"WBA, WBC, and IBF","November 13, 1992","December 14, 1992",32,–,–,2 | |
| "WBA, and IBF","December 14, 1992","November 6, 1993",328,def.,–,,[ | |
| Lennox Lewis,WBC,"December 14, 1992","September 24, 1994",650,def.,–,18 | |
| Tommy Morrison,WBO,"June 7, 1993","October 29, 1993",145,"def. Tim Tomashek on August 30, 1993",–,1 | |
| Michael Bentt,WBO,"October 29, 1993","March 19, 1994",142,–,–, | |
| Evander Holyfield,"WBA, and IBF","November 6, 1993","April 22, 1994",168,–,–, | |
| Herbie Hide,WBO,"March 19, 1994","March 11, 1995",358,–,–, | |
| Michael Moorer,"WBA, and IBF","April 22, 1994","November 5, 1994",198,–,–, | |
| Oliver McCall,WBC,"September 24, 1994","September 2, 1995",344,def.,–, | |
| George Foreman,"WBA, and IBF","November 5, 1994","March 4, 1995",119,–,–,3 | |
| IBF,"March 4, 1995","June 29, 1995",117,def.,−,2,[ | |
| Riddick Bowe,WBO,"March 11, 1995","May 1, 1996",418,def.,–,3 | |
| Bruce Seldon,WBA,"April 8, 1995","September 7, 1996",519,def.,–,1 | |
| Frank Bruno,WBC,"September 2, 1995","March 16, 1996",197,–,–, | |
| Mike Tyson,WBC,"March 16, 1996","September 7, 1996",175,–,–, | |
| "WBA, and WBC","September 7, 1996","September 24, 1996",17,–,–,2,[ | |
| WBA,"September 24, 1996","November 9, 1996",46,–,–,,[ | |
| Michael Moorer,IBF,"June 22, 1996","November 8, 1997",505,def.,–,1 | |
| Henry Akinwande,WBO,"June 29, 1996","February 17, 1997",234,def. Alexander Zolkin on,–,1 | |
| Evander Holyfield,WBA,"November 9, 1996","November 8, 1997",365,def.,–, | |
| "WBA, and IBF","November 8, 1997","November 13, 1999",736,def.,–,,[ | |
| Lennox Lewis,WBC,"February 7, 1997","November 13, 1999",1010,def.,–,1 | |
| "WBA, WBC, and IBF","November 13, 1999","April 29, 2000",168,–,–,3,[ | |
| "WBC, and IBF","April 29, 2000","April 22, 2001",358,def.,–,,[ | |
| Herbie Hide,WBO,"June 28, 1997","June 26, 1999",729,def. Damon Reed on,–,1 | |
| Vitali Klitschko,WBO,"June 26, 1999","April 1, 2000",281,"def. Ed Mahone on October 9, 1999",–, | |
| Chris Byrd,WBO,"April 1, 2000","October 14, 2000",197,–,–, | |
| Evander Holyfield,WBA,"August 12, 2000","March 3, 2001",204,–,–,1 | |
| Wladimir Klitschko,WBO,"October 14, 2000","March 8, 2003",876,def.,–, | |
| John Ruiz,WBA,"March 3, 2001","March 1, 2003",729,draw vs.,–, | |
| Hasim Rahman,"WBC, and IBF","April 22, 2001","November 17, 2001",210,–,–, | |
| Lennox Lewis,"WBC, and IBF","November 17, 2001","September 5, 2002",293,def.,The Ring,2 | |
| WBC,"September 5, 2002","February 6, 2004",519,def.,2,[, | |
| Chris Byrd,IBF,"December 14, 2002","April 22, 2006","1,591",def.,–,1 | |
| Roy Jones Jr.,WBA,"March 1, 2003","February 20, 2004",357,–,–,2 | |
| Corrie Sanders,WBO,"March 8, 2003","October 9, 2003",216,–,–,2 | |
| John Ruiz,WBA,"February 20, 2004","December 17, 2005",667,def.,–,20 | |
| Lamon Brewster,WBO,"April 10, 2004","April 1, 2006",722,def.,–,1 | |
| Vitali Klitschko,WBC,"April 24, 2004","November 9, 2005",565,def.,The Ring, | |
| Hasim Rahman,WBC,"November 9, 2005","August 12, 2006",277,draw vs.,–,21 | |
| Nikolai Valuev,WBA,"December 17, 2005","April 14, 2007",484,def.,–,1 | |
| Siarhei Liakhovich,WBO,"April 1, 2006","November 4, 2006",218,–,–, | |
| Wladimir Klitschko,IBF,"April 22, 2006","February 23, 2008",673,def.,The Ring, | |
| "IBF, and WBO","February 23, 2008","July 2, 2011","1,226",def.,,[, | |
| "WBA (Super), IBF, and WBO","July 2, 2011","November 28, 2015","1,611",def.,,[, | |
| Oleg Maskaev,WBC,"August 12, 2006","December 9, 2006",120,–,–, | |
| "December 9, 2006","March 8, 2008",456,def.,–,,, | |
| Shannon Briggs,WBO,"November 4, 2006","June 2, 2007",211,–,–, | |
| Ruslan Chagaev,WBA,"April 14, 2007","July 3, 2008",799,def.,–,22 | |
| Sultan Ibragimov,WBO,"June 2, 2007","February 23, 2008",267,def.,–, | |
| Samuel Peter,WBC,"March 8, 2008","October 11, 2008",218,–,–, | |
| Nikolai Valuev,WBA,"August 30, 2008","November 7, 2009",435,def.,–,1 | |
| Vitali Klitschko,WBC,"October 11, 2008","December 15, 2013","1,892",def.,–,2 | |
| David Haye,WBA,"November 7, 2009","July 2, 2011",603,def.,–, | |
| Alexander Povetkin,WBA (Regular),"August 27, 2011","October 5, 2013",771,def.,–,1 | |
| Bermane Stiverne,WBC,"May 10, 2014","January 17, 2015",253,–,–,1 | |
| Ruslan Chagaev,WBA (Regular),"July 6, 2014","March 5, 2016",609,def.,–,1 | |
| Deontay Wilder,WBC,"January 17, 2015","February 22, 2020","1,863",def.,–, | |
| Tyson Fury,"WBA (Super), IBF, and WBO","November 28, 2015","December 8, 2015",11,–,The Ring,3 | |
| "WBA (Super), and WBO","December 8, 2015","October 12, 2016",310,–,2,[, | |
| Charles Martin,IBF,"January 16, 2016","April 9, 2016",85,–,–,1 | |
| Lucas Browne,WBA (Regular),"March 5, 2016","May 12, 2016",69,–,–,24 | |
| Anthony Joshua,IBF,"April 9, 2016","April 29, 2017",386,def.,–, | |
| "WBA (Super), and IBF","April 29, 2017","March 31, 2018",337,def.,–,1,[ | |
| "WBA (Super), IBF, WBO","March 31, 2018","June 1, 2019",428,def.,–,,[ | |
| Ruslan Chagaev,WBA (Regular),"May 12, 2016","July 25, 2016",75,–,–,3 | |
| Joseph Parker,WBO,"December 10, 2016","March 31, 2018",477,def.,–,1 | |
| Mahmoud Charr,WBA (Regular),"November 25, 2017","January 29, 2021","1,162",–,–,1 | |
| Andy Ruiz Jr.,"WBA (Super), IBF, WBO","June 1, 2019","December 7, 2019",190,–,–, | |
| Anthony Joshua,"WBA (Super), IBF, WBO","December 7, 2019","September 25, 2021",659,def.,–, | |
| Tyson Fury,WBC,"February 22, 2020","May 18, 2024","1,548",def.,The Ring, | |
| Trevor Bryan,WBA (Regular),"January 29, 2021","June 11, 2022",498,"def. Jonathan Guidry on January 29, 2022",–,1 | |
| Oleksandr Usyk,"WBA (Super), IBF, WBO","September 25, 2021","May 18, 2024",967,def.,The Ring, | |
| "WBA (Super), WBC, IBF, WBO","May 18, 2024","June 25, 2024",38,,,, | |
| "WBA (Super), WBC, WBO","June 25, 2024",present,199,def.,,, | |
| Daniel Dubois,WBA (Regular),"June 11, 2022","August 26, 2023",441,def.,–, | |
| Mahmoud Charr,WBA (Regular),"August 31, 2023","December 7, 2024",497,,−, | |
| Daniel Dubois,IBF,"June 26, 2024",present,198,def.,–, | |
| Kubrat Pulev,WBA (Regular),"December 7, 2024",present,34,,−, | |