Who Is the World Heavyweight Boxing Champion in 2025?

By Sarah Miller · February 5, 2028

The current World Heavyweight Boxing Champion is Oleksandr Usyk, who holds the unified WBA (Super), IBF, WBO, and IBO titles after defeating Tyson Fury in May 2024. This victory solidified his status as the undisputed heavyweight champion of the world.

Who Is the Current World Heavyweight Champion?

Oleksandr Usyk is now recognized as the undisputed world heavyweight boxing champion following his historic win over Tyson Fury. The bout took place on May 18, 2024, in Riyadh, Saudi Arabia, where Usyk won by split decision, capturing Fury's WBC title in addition to his own WBA, IBF, and WBO belts.

Key Facts About Oleksandr Usyk

Full Name: Oleksandr Usyk
Nationality: Ukrainian
Date of Birth: January 17, 1987
Professional Record: 22 wins (13 KOs), 0 losses
Amateur Achievements: Olympic Gold Medalist (2012)
Weight Class: Heavyweight (previously Undisputed Cruiserweight Champion)

Path to Heavyweight Dominance

Usyk’s rise to heavyweight supremacy began after he vacated his cruiserweight titles in 2018. He quickly made a name for himself with victories over top contenders, culminating in unifying the division against Anthony Joshua in 2021 and 2022.

Major Victories in the Heavyweight Division

Anthony Joshua (UD) – September 25, 2021
Anthony Joshua (UD) – August 20, 2022
Derek Chisora (TKO) – November 26, 2023
Tyson Fury (SD) – May 18, 2024

Unification of the Heavyweight Titles

Prior to the Usyk vs. Fury fight, the heavyweight division was split between Usyk (WBA/IBF/WBO) and Fury (WBC). Their highly anticipated matchup marked the first time since 2007 that all four major belts were on the line in one fight.

Organization	Title Held By	Status	Last Defense
WBA (Super)	Oleksandr Usyk	Unified	May 18, 2024 vs. Fury
IBF	Oleksandr Usyk	Unified	May 18, 2024 vs. Fury
WBO	Oleksandr Usyk	Unified	May 18, 2024 vs. Fury
WBC	Oleksandr Usyk	Unified	May 18, 2024 vs. Fury
IBO	Oleksandr Usyk	Minor Title	August 20, 2022 vs. Joshua

Table data source:1, 2, 3

The table shows full unification under Usyk across all major sanctioning bodies. His victory over Fury completed one of the most significant accomplishments in modern boxing history. For the first time in nearly two decades, a single fighter holds all four primary world titles simultaneously.

This unification marks a turning point in the heavyweight division, ending years of fragmentation and establishing a clear, dominant champion.

What’s Next for the Heavyweight Division?

With Usyk now undisputed, the next major question is potential rematches or new challengers. A rematch clause exists with Tyson Fury, but health and retirement considerations may delay or cancel it. Other top contenders include Anthony Joshua, Daniel Dubois, and Zhang Zhilei.

Potential Future Opponents

Anthony Joshua: Former two-time champion seeking redemption.
Daniel Dubois: IBF mandatory challenger with knockout power.
Kubrat Pulev or Agit Kabayel: EBU-ranked contenders in the European pipeline.
Jarrell Miller: Returning contender eyeing a title shot.

Frequently Asked Questions About the World Heavyweight Boxing Champion

Who is the current undisputed heavyweight boxing champion?

Oleksandr Usyk is the current undisputed world heavyweight boxing champion, having unified the WBA, IBF, WBO, and WBC titles after defeating Tyson Fury on May 18, 2024.

When did Oleksandr Usyk become heavyweight champion?

Usyk first won unified heavyweight titles (WBA/IBF/WBO) by defeating Anthony Joshua in September 2021. He became undisputed by adding the WBC belt after beating Tyson Fury on May 18, 2024.

Does Tyson Fury still hold a world title?

No, Tyson Fury lost his WBC title to Oleksandr Usyk in their May 2024 bout. As of October 2025, Fury has not officially announced retirement but is not currently a reigning champion.

How many belts does the heavyweight champion have?

The undisputed champion holds four major world titles: WBA (Super), IBF, WBO, and WBC. Oleksandr Usyk also retains the minor IBO title, giving him five total championship belts.

Will there be a Usyk vs. Fury rematch?

A rematch clause was triggered by Fury after the May 2024 loss, but no date has been set. Given Fury’s past health concerns and potential retirement talks, the rematch remains uncertain as of October 2025.