The champions are listed in reverse chronological order.
Click here for the list of current UFC champions in each division and here for the champions in each MMA promotion.
All-time UFC champions by division:
Heavyweight | Light heavyweight
Middleweight | Welterweight
Lightweight | Featherweight
Bantamweight | Flyweight
Women's featherweight
Women's bantamweight
Women's flyweight
Women's strawweight
Current champion
• Won title: Dec. 8, 2018
• Outcome: UD over Joanna Jedrzejczyk (UFC 231)
• Defenses: 2
Past champion
Nicco Montaño
• Won title: Dec. 1, 2017
• Outcome: UD over Roxanne Modafferi (TUF 26 Finale)*
• Defenses: 0**
* -- Won "The Ultimate Fighter" finale to earn inaugural title
** -- Stripped of title on Sept. 7, 2018, after being hospitalized prior to UFC 228 weigh-in