World mixed martial arts champions list: UFC, Bellator and ONE title holders in every MMA weight class

The UFC, Bellator and ONE currently recognise male and female world champions in a variety of weight classes. Here is the current title picture across the board.

Note: These lists are updated each Monday after a fight weekend.

UFC (Men)

• Heavyweight : Jon Jones; (Interim) :   Tom Aspinall
• Light Heavyweight : Magomed Ankalaev
• Middleweight : Dricus du Plessis
• Welterweight : Jack Della Maddalena
• Lightweight : Islam Makachev
• Featherweight : Alexander Volkanovski
• Bantamweight : Merab Dvalishvili
• Flyweight : Alexandre Pantoja

UFC (Women)

• Bantamweight : Kayla Harrison
• Flyweight : Valentina Shevchenko
• Strawweight : Zhang Weili

Bellator (Men)

• Heavyweight : Ryan Bader
• Light Heavyweight : Corey Anderson
• Middleweight : Johnny Eblen
• Welterweight : Ramzan Kuramagomedov
• Lightweight:  Usman Nurmagomedov
• Featherweight : Vacant
• Bantamweight : Vacant

Bellator (Women)

• Featherweight : Cris Cyborg
• Flyweight : Liz Carmouche

ONE Championship (Men)

• Heavyweight :   Oumar Kane
• Light heavyweight : Anatoly Malykhin
• Middleweight : Anatoly Malykhin
• Welterweight : Christian Lee
• Lightweight : Christian Lee
• Featherweight : Tang Kai
• Bantamweight : Fabricio Andrade
• Flyweight : Yuya Wakamatsu
• Strawweight : Joshua Pacio 

ONE Championship (Women)

• Strawweight :   Xiong Jing Nan
• Atomweight : Denice Zamboanga