UFC: Fastest knockouts
The all-time UFC top 100, rebuilt from every completed UFC fight in our database.
Updated September 20, 2026
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A fighter with a bout in the last 18 months. Country boards rank every fighter from that country and cannot be combined with the active filter.
| # | Fighter | Fastest knockouts | Round | Fight | Date |
|---|---|---|---|---|---|
| 1 |   Ryan Jimmo | 0:07 | 1 | Anthony PeroshLight Heavyweight | Jul 21, 2012 |
| T-2 |   James Irvin | 0:08 | 1 | Houston AlexanderLight Heavyweight | Apr 2, 2008 |
| T-2 |   Abdul Rakhman Yakhyaev | 0:08 | 1 | Julius WalkerLight Heavyweight | Jun 27, 2026 |
| T-2 |  Alonzo Menifield | 0:08 | 1 | Dashawn BoatwrightLight Heavyweight | Jun 12, 2018 |
| 5 |   Carlos Ulberg | 0:12 | 1 | Alonzo MenifieldLight Heavyweight | May 11, 2024 |
| 6 |  Anthony Johnson | 0:13 | 1 | Glover TeixeiraLight Heavyweight | Aug 21, 2016 |
| 7 |   Anthony Perosh | 0:14 | 1 | Vinny MagalhaesLight Heavyweight | Aug 3, 2013 |
| T-8 |  Johnny Mendez Walker | 0:15 | 1 | Justin LedetLight Heavyweight | Feb 3, 2019 |
| T-8 |  Karl Roberson | 0:15 | 1 | Ryan SpannLight Heavyweight | Jul 25, 2017 |
| T-8 |  Luke Fernandez | 0:15 | 1 | Rafael PergentinoLight Heavyweight | Oct 7, 2025 |
| 11 |  Vladimir Matyushenko | 0:20 | 1 | Jason BrilzLight Heavyweight | Apr 30, 2011 |
| T-12 |  Kyle Kingsbury | 0:21 | 1 | Ricardo RomeroLight Heavyweight | Feb 5, 2011 |
| T-12 |   Iwo Baraniewski | 0:21 | 1 | Mahamed AlyLight Heavyweight | Sep 16, 2025 |
| T-14 |   Ion Cuțelaba | 0:22 | 1 | Henrique da SilvaLight Heavyweight | Jun 11, 2017 |
| T-14 | Frank Shamrock | 0:22 | 1 | Igor ZinovievLight Heavyweight | Mar 13, 1998 |
| T-16 |   Volkan Oezdemir | 0:28 | 1 | Misha CirkunovLight Heavyweight | May 28, 2017 |
| T-16 | Iwo Baraniewski | 0:28 | 1 | Austen LaneLight Heavyweight | Mar 21, 2026 |
| T-18 |  Dominick Reyes | 0:29 | 1 | Joachim ChristensenLight Heavyweight | Jun 26, 2017 |
| T-18 | Abdul Rakhman Yakhyaev | 0:29 | 1 | Alik LorenzLight Heavyweight | Aug 26, 2025 |
| 20 |   Ilir Latifi | 0:30 | 1 | Sean O'ConnellLight Heavyweight | Jan 18, 2016 |
| 21 | Tito Ortiz | 0:32 | 1 | Evan TannerLight Heavyweight | Feb 23, 2001 |
| 22 |  Ovince Saint Preux | 0:34 | 1 | Mauricio RuaLight Heavyweight | Nov 7, 2014 |
| 23 |  Igor Pokrajac | 0:35 | 1 | Krzysztof SoszynskiLight Heavyweight | Dec 10, 2011 |
| T-24 |   Wanderlei Silva | 0:36 | 1 | Keith JardineLight Heavyweight | May 24, 2008 |
| T-24 | Johnny Mendez Walker | 0:36 | 1 | Misha CirkunovLight Heavyweight | Mar 3, 2019 |
| 26 |   Magomed Ankalaev | 0:38 | 1 | Ion CuțelabaLight Heavyweight | Mar 1, 2020 |
| 27 |  Alexander Gustafsson | 0:41 | 1 | Jared HammanLight Heavyweight | Nov 14, 2009 |
| 28 | Volkan Oezdemir | 0:42 | 1 | Jimi ManuwaLight Heavyweight | Jul 30, 2017 |
| T-29 |  Michal Oleksiejczuk | 0:44 | 1 | Gadzhimurad AntigulovLight Heavyweight | Apr 20, 2019 |
| T-29 | Anthony Johnson | 0:44 | 1 | Rogerio NogueiraLight Heavyweight | Jul 26, 2014 |
| T-31 |  James Te Huna | 0:47 | 1 | Ricardo RomeroLight Heavyweight | Sep 25, 2011 |
| T-31 |    Aleksandar Rakic | 0:47 | 1 | Jimi ManuwaLight Heavyweight | Jun 1, 2019 |
| T-33 |  Jamahal Hill | 0:48 | 1 | Jimmy CruteLight Heavyweight | Dec 5, 2021 |
| T-33 |  Houston Alexander | 0:48 | 1 | Keith JardineLight Heavyweight | May 27, 2007 |
| T-35 |  Philipe Lins | 0:49 | 1 | Ovince Saint PreuxLight Heavyweight | Feb 19, 2023 |
| T-35 |  Vitor Belfort | 0:49 | 1 | Randy CoutureLight Heavyweight | Jan 31, 2004 |
| 37 |  Jonathan Wilson | 0:50 | 1 | Chris DempseyLight Heavyweight | Aug 8, 2015 |
| 38 |  Ibo Aslan | 0:51 | 1 | Rafael CerqueiraLight Heavyweight | Oct 26, 2024 |
| T-39 |  Steve Bosse | 0:52 | 1 | James Te HunaLight Heavyweight | Mar 20, 2016 |
| T-39 |  Khalil Rountree Jr. | 0:52 | 1 | Daniel JollyLight Heavyweight | Feb 5, 2017 |
| 41 |  Anthony Smith | 0:53 | 1 | Rashad EvansLight Heavyweight | Jun 9, 2018 |
| T-42 |  Sean O'Connell | 0:56 | 1 | Anthony PeroshLight Heavyweight | May 9, 2015 |
| T-42 | Ilir Latifi | 0:56 | 1 | Hans StringerLight Heavyweight | Jul 18, 2015 |
| T-44 | Houston Alexander | 1:01 | 1 | Alessio SakaraLight Heavyweight | Sep 8, 2007 |
| T-44 |  Anderson Silva | 1:01 | 1 | James IrvinLight Heavyweight | Jul 19, 2008 |
| 46 |  Mauricio Rua | 1:03 | 1 | James Te HunaLight Heavyweight | Dec 7, 2013 |
| 47 |   Da Woon Jung | 1:04 | 1 | Mike RodriguezLight Heavyweight | Dec 21, 2019 |
| 48 |  Tyson Pedro | 1:05 | 1 | Harry HunsuckerLight Heavyweight | Aug 21, 2022 |
| 49 |  Thiago Silva | 1:06 | 1 | James IrvinLight Heavyweight | May 27, 2007 |
| T-50 |   Nikita Krylov | 1:07 | 1 | Alexander GustafssonLight Heavyweight | Jul 23, 2022 |
| T-50 | Vitor Belfort | 1:07 | 1 | Marvin EastmanLight Heavyweight | Jun 6, 2003 |
| 52 |  Ryan Spann | 1:11 | 1 | Misha CirkunovLight Heavyweight | Mar 14, 2021 |
| 53 | Carlos Ulberg | 1:15 | 1 | Tafon NchukwiLight Heavyweight | Jun 26, 2022 |
| T-54 |  Ryan Bader | 1:17 | 1 | Jason BrilzLight Heavyweight | Nov 20, 2011 |
| T-54 | Vitor Belfort | 1:17 | 1 | Dan HendersonLight Heavyweight | Nov 9, 2013 |
| T-56 |  Eryk Anders | 1:18 | 1 | Vinicius MoreiraLight Heavyweight | Jun 30, 2019 |
| T-56 | Chuck Liddell | 1:18 | 1 | Kevin RandlemanLight Heavyweight | May 4, 2001 |
| T-56 | Tito Ortiz | 1:18 | 1 | Ken ShamrockLight Heavyweight | Jul 8, 2006 |
| T-56 |  Rafael Cavalcante | 1:18 | 1 | Igor PokrajacLight Heavyweight | Nov 9, 2013 |
| T-56 |   Nicolae Negumereanu | 1:18 | 1 | Ike VillanuevaLight Heavyweight | Oct 23, 2021 |
| 61 |  Daniel Cormier | 1:19 | 1 | Patrick CumminsLight Heavyweight | Feb 22, 2014 |
| T-62 | Ryan Spann | 1:20 | 1 | Dominick ReyesLight Heavyweight | Nov 13, 2022 |
| T-62 |  Alex Pereira | 1:20 | 1 | Magomed AnkalaevLight Heavyweight | Oct 5, 2025 |
| 64 |  Jeremy Kimball | 1:21 | 1 | Josh StansburyLight Heavyweight | Jun 26, 2017 |
| 65 |  Dustin Jacoby | 1:22 | 1 | Kennedy NzechukwuLight Heavyweight | Aug 6, 2023 |
| 66 | Iwo Baraniewski | 1:25 | 1 | Junior TafaLight Heavyweight | Jun 6, 2026 |
| 67 | Anthony Johnson | 1:26 | 1 | Ryan BaderLight Heavyweight | Jan 31, 2016 |
| 68 | Volkan Oezdemir | 1:27 | 1 | Alonzo MenifieldLight Heavyweight | Nov 22, 2025 |
| 69 | Alonzo Menifield | 1:28 | 1 | Misha CirkunovLight Heavyweight | Oct 15, 2022 |
| T-70 | Iwo Baraniewski | 1:29 | 1 | Ibo AslanLight Heavyweight | Dec 7, 2025 |
| T-70 | Anthony Smith | 1:29 | 1 | Mauricio RuaLight Heavyweight | Jul 22, 2018 |
| 72 |   Alessio Sakara | 1:30 | 1 | James LeeLight Heavyweight | Jan 19, 2008 |
| 73 |  Jordan Wright | 1:31 | 1 | Ike VillanuevaLight Heavyweight | Aug 23, 2020 |
| 74 | Michal Oleksiejczuk | 1:34 | 1 | Gian VillanteLight Heavyweight | Feb 23, 2019 |
| T-75 | Chuck Liddell | 1:35 | 1 | Renato SobralLight Heavyweight | Aug 26, 2006 |
| T-75 | Thiago Silva | 1:35 | 1 | Keith JardineLight Heavyweight | Aug 29, 2009 |
| 77 | Khalil Rountree Jr. | 1:36 | 1 | Gokhan SakiLight Heavyweight | Jul 8, 2018 |
| T-78 |   Zhang Mingyang | 1:41 | 1 | Brendson RibeiroLight Heavyweight | Feb 18, 2024 |
| T-78 |  Caio Borralho | 1:41 | 1 | Jesse MurrayLight Heavyweight | Oct 19, 2021 |
| 80 | Dominick Reyes | 1:43 | 1 | Chris WeidmanLight Heavyweight | Oct 19, 2019 |
| 81 | Alessio Sakara | 1:44 | 1 | Victor ValimakiLight Heavyweight | Apr 21, 2007 |
| T-82 |  Glover Teixeira | 1:48 | 1 | Rashad EvansLight Heavyweight | Apr 17, 2016 |
| T-82 |   Kennedy Nzechukwu | 1:48 | 1 | Dennis BryantLight Heavyweight | Aug 7, 2018 |
| 84 | Dustin Jacoby | 1:50 | 1 | Bruno LopesLight Heavyweight | Jun 1, 2025 |
| 85 |  Jon Jones | 1:52 | 1 | Vladimir MatyushenkoLight Heavyweight | Aug 1, 2010 |
| T-86 | Mauricio Rua | 1:53 | 1 | Forrest GriffinLight Heavyweight | Aug 27, 2011 |
| T-86 | Quinton Jackson | 1:53 | 1 | Chuck LiddellLight Heavyweight | May 27, 2007 |
| 88 | Rogerio Nogueira | 1:56 | 1 | Luiz CaneLight Heavyweight | Nov 21, 2009 |
| 89 | Johnny Mendez Walker | 1:57 | 1 | Khalil Rountree Jr.Light Heavyweight | Nov 18, 2018 |
| 90 |  Jan Blachowicz | 1:58 | 1 | Ilir LatifiLight Heavyweight | Oct 4, 2014 |
| T-91 |  Marcos Rogerio de Lima | 1:59 | 1 | Igor PokrajacLight Heavyweight | Dec 20, 2014 |
| T-91 |   Paul Craig | 1:59 | 1 | Jamahal HillLight Heavyweight | Jun 13, 2021 |
| 93 | Dominick Reyes | 2:00 | 1 | Dustin JacobyLight Heavyweight | Jun 9, 2024 |
| 94 |  Jimmy Crute | 2:01 | 1 | Modestas BukauskasLight Heavyweight | Oct 17, 2020 |
| T-95 |  Tomasz Drwal | 2:02 | 1 | Ivan SeratiLight Heavyweight | Jan 17, 2009 |
| T-95 | Carlos Ulberg | 2:02 | 1 | Bruno OliveiraLight Heavyweight | Nov 4, 2020 |
| 97 |  Tim Boetsch | 2:03 | 1 | Michael PattLight Heavyweight | Sep 6, 2008 |
| 98 | Ion Cuțelaba | 2:05 | 1 | Tanner BoserLight Heavyweight | Apr 16, 2023 |
| T-99 | Chuck Liddell | 2:06 | 1 | Randy CoutureLight Heavyweight | Apr 16, 2005 |
| T-99 | Evan Tanner | 2:06 | 1 | Elvis SinosicLight Heavyweight | Mar 22, 2002 |
This board ranks single performances, not fighters — one fighter can hold more than one row.