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Longest title reign: since 2001

Longest single reigns as undisputed UFC champion, in days.

All timeSince 2020Since 2010Since 2001Before 2000
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Reigns are derived from championship bouts. When a belt was vacated or stripped outside a title fight, the reign is shown ending at the next title fight in that division, so a few run long; a title awarded without a fight (José Aldo's in 2010, for one) starts at the champion's first UFC title fight.

135 reigns.

#FighterDaysDivisionWonEnded
50Rose Namajunas553 daysWomen's StrawweightNov 4, 2017May 11, 2019
52Alexander Volkanovski546 daysFeatherweightApr 12, 2025Champion
=53Conor McGregor539 daysFeatherweightDec 12, 2015Jun 3, 2017
=53Amanda Nunes539 daysWomen's BantamweightJul 30, 2022Jan 20, 2024
55Charles Oliveira525 daysLightweightMay 15, 2021Oct 22, 2022
=56Michael Bisping518 daysMiddleweightJun 4, 2016Nov 4, 2017
=56Cristiane Justino518 daysWomen's FeatherweightJul 29, 2017Dec 29, 2018
58Conor McGregor511 daysLightweightNov 12, 2016Apr 7, 2018
59Rich Franklin497 daysMiddleweightJun 4, 2005Oct 14, 2006
60Kayla Harrison490 daysWomen's BantamweightJun 7, 2025Champion
61Alex Pereira483 daysLight HeavyweightNov 11, 2023Mar 8, 2025
62Rafael Dos Anjos481 daysLightweightMar 14, 2015Jul 7, 2016
63Tim Sylvia477 daysHeavyweightFeb 28, 2003Jun 19, 2004
64Frank Mir475 daysHeavyweightJun 19, 2004Oct 7, 2005
65Sean Sherk462 daysLightweightOct 14, 2006Jan 19, 2008
66Merab Dvalishvili448 daysBantamweightSep 14, 2024Dec 6, 2025
67Ilia Topuria420 daysFeatherweightFeb 17, 2024Apr 12, 2025
68Junior Dos Santos413 daysHeavyweightNov 12, 2011Dec 29, 2012
=69Quinton Jackson406 daysLight HeavyweightMay 26, 2007Jul 5, 2008
=69Daniel Cormier406 daysHeavyweightJul 7, 2018Aug 17, 2019
=71Henry Cejudo399 daysBantamweightJun 8, 2019Jul 11, 2020
=71Jan Blachowicz399 daysLight HeavyweightSep 26, 2020Oct 30, 2021
73Sean O'Malley392 daysBantamweightAug 19, 2023Sep 14, 2024
74Cain Velasquez385 daysHeavyweightOct 23, 2010Nov 12, 2011
=75Matt Serra378 daysWelterweightApr 7, 2007Apr 19, 2008
=75Rose Namajunas378 daysWomen's StrawweightApr 24, 2021May 7, 2022
77Nicco Montano372 daysWomen's FlyweightDec 1, 2017Dec 8, 2018
78Deiveson Figueiredo364 daysFlyweightJan 22, 2022Jan 21, 2023
79Ilia Topuria351 daysLightweightJun 28, 2025Jun 14, 2026
=80Lyoto Machida350 daysLight HeavyweightMay 23, 2009May 8, 2010
=80Tom Aspinall350 daysHeavyweightOct 25, 2025Champion
=80Mackenzie Dern350 daysWomen's StrawweightOct 25, 2025Champion
83Dominick Cruz348 daysBantamweightJan 17, 2016Dec 30, 2016
84Fabricio Werdum336 daysHeavyweightJun 13, 2015May 14, 2016
=85Deiveson Figueiredo329 daysFlyweightJul 18, 2020Jun 12, 2021
=85Islam Makhachev329 daysWelterweightNov 15, 2025Champion
87Tim Sylvia322 daysHeavyweightApr 15, 2006Mar 3, 2007
88Mauricio Rua315 daysLight HeavyweightMay 8, 2010Mar 19, 2011
89Cody Garbrandt309 daysBantamweightDec 30, 2016Nov 4, 2017
=90Joshua Van308 daysFlyweightDec 6, 2025Champion
=90Petr Yan308 daysBantamweightDec 6, 2025Champion
92Jamahal Hill294 daysLight HeavyweightJan 21, 2023Nov 11, 2023
93Belal Muhammad287 daysWelterweightJul 27, 2024May 10, 2025
=94Johny Hendricks266 daysWelterweightMar 15, 2014Dec 6, 2014
=94Khamzat Chimaev266 daysMiddleweightAug 16, 2025May 9, 2026
96BJ Penn265 daysWelterweightJan 31, 2004Oct 22, 2004
97Raquel Pennington259 daysWomen's BantamweightJan 20, 2024Oct 5, 2024
98Julianna Pena245 daysWomen's BantamweightOct 5, 2024Jun 7, 2025
=99Randy Couture238 daysLight HeavyweightAug 21, 2004Apr 16, 2005
=99Petr Yan238 daysBantamweightJul 11, 2020Mar 6, 2021

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