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