| Men | ||
| Division | Champion | Date Since |
| Heavyweight | Daniel Cormier | 7-Jul-2018 |
| Light Heavyweight | Jon Jones | 29-Dec-2018 |
| Middleweight | Robert Whittaker | 7-Dec-2017 |
| Welterweight | Kamaru Usman | 2-Mar-2019 |
| Lightweight | Khabib Nurmagomedov | 7-Apr-2018 |
| Featherweight | Max Holloway | 3-Jun-2017 |
| Bantamweight | Vacant | 20-Mar-2019 |
| Flyweight | Henry Cejudo | 22-Sep-2012 |
| Women | ||
| Division | Champion | Date Since |
| Featherweight | Amanda Nunes | 29-Dec-2018 |
| Bantamweight | Amanda Nunes | 9-Jul-2016 |
| Flyweight | Valentina Shevchenko | 8-Dec-2018 |
| Strawweight | Jéssica Andrade | 11-May-2019 |
*Updated 16-May-2019
