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: Vacant
- Light Heavyweight: Jamahal Hill
- Middleweight: Alex Pereira
- Welterweight: Leon Edwards
- Lightweight: Islam Makachev
- Featherweight: Alexander Volkanovski
- Bantamweight: Aljamain Sterling
- Flyweight: Brandon Moreno
UFC (Women)
- Featherweight: Amanda Nunes
- Bantamweight: Amanda Nunes
- Flyweight: Valentina Shevchenko
- Strawweight: Zhang Weili
Bellator (Men)
- Heavyweight: Ryan Bader
- Light Heavyweight: Vadim Nemkov
- Middleweight: Johnny Eblen
- Welterweight: Yaroslav Amosov; (Interim): Logan Storely
- Lightweight: Usman Nurmagomedov
- Featherweight: Patricio Pitbull
- Bantamweight: Sergio Pettis; (Interim): Raufeon Stots
Bellator (Women)
- Featherweight: Cris Cyborg
- Flyweight: Liz Carmouche
ONE Championship (Men)
- Heavyweight: Arjan Bhullar
- Light heavyweight: Anatoly Malykhin
- Middleweight: Reinier de Ridder
- Welterweight: Christian Lee
- Lightweight: Christian Lee
- Featherweight: Tang Kai
- Bantamweight: Vacant
- Flyweight: Demetrious Johnson
- Strawweight: Jarred Brooks
ONE Championship (Women)
- Strawweight: Xiong Jing Nan
- Atomweight: Angela Lee
