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Boxing - Weight Class - Heavyweight

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Most Title Defenses

This list features the boxers with the most title defences at Heavyweight class.

RANK

BOXERS

TITLE

DEFENSES

YEARS

1

Joe Louis

NYSAC, NBA

27

1934–1951

2

Wladimir Klitschko

WBA, IBF, WBO

25

1996–2017

3

Muhammad Ali

NYSAC, WBA, WBC

22

1960–1981

4

Larry Holmes

WBC, IBF

20

1973–2002

5

Lennox Lewis

WBA, WBC, IBF

15

1989–2003

6

Vitali Klitschko

WBC, WBO

15

1996–2012

7

Evander Holyfield

WBA, WBC, IBF

11

1984–2011

8

Deontay Wilder

WBC

10

2008–2025

9

Joe Frazier

NYSAC, WBA, WBC

10

1965–1976

10

Anthony Joshua

WBA, IBF, WBO

9

2013–2026

11

James J. Jeffries

Universal

8

1896–1904

12

Jack Dempsey

NYSAC, NBA

6

1914–1927

13

Jack Johnson

Universal

6

1908–1915

14

John L. Sullivan

Universal

5

1879–1892

15

Tyson Fury

WBA, WBC, IBF, WBO

5

2008–2026


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References

Wikipedia (2025) Heavyweight. Available at: https://en.wikipedia.org/wiki/Heavyweight#Longest-reigning_world_heavyweight_champions (Accessed: 1 December 2025).
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