Best UFC Knockouts of All Time (2025 Update)
Relive the greatest UFC knockouts ever. From Conor McGregor to Francis Ngannou, see the most brutal, iconic finishes in UFC history.
TL;DR
This article highlights the top UFC knockouts of all time, ranked for impact, technique, and legacy. Featuring legends like Conor McGregor, Anderson Silva, Francis Ngannou, and more, these are the moments that changed UFC history forever.
Knockouts are the heartbeat of MMA. They electrify fans, define careers, and create unforgettable moments in combat sports history. In this updated 2025 list, we break down the most iconic knockouts in UFC history — the ones that still give fans chills today.
🥊 Top 10 UFC Knockouts of All Time
Conor McGregor vs. José Aldo
Why It's Legendary: The fastest finish in a UFC title fight. McGregor cemented himself as a superstar with a perfectly timed left hand.
Jorge Masvidal vs. Ben Askren
Why It's Legendary: The fastest knockout in UFC history. A flying knee that went viral worldwide.
Anderson Silva vs. Vitor Belfort
Why It's Legendary: "The Spider" shocked the world with a highlight that's replayed endlessly.
Francis Ngannou vs. Alistair Overeem
Why It's Legendary: One of the scariest knockouts ever — Ngannou's raw power on full display.
Holly Holm vs. Ronda Rousey
Why It's Legendary: Holm dethroned the unstoppable Rousey in dramatic fashion, shocking the world.
Chuck Liddell vs. Randy Couture II
Why It's Legendary: "The Iceman" cemented his legacy as one of the sport's early knockout kings.
Dan Henderson vs. Michael Bisping
Why It's Legendary: A brutal one-punch KO followed by the infamous flying forearm.
Edson Barboza vs. Terry Etim
Why It's Legendary: One of the cleanest spinning finishes in UFC history.
Lyoto Machida vs. Rashad Evans
Why It's Legendary: "The Dragon" knocked out the champ with precision, starting the "Machida Era."
Derrick Lewis vs. Alexander Volkov
Why It's Legendary: Lewis pulled off one of the most dramatic comebacks in UFC history.
⚡ Why Knockouts Matter in UFC
They end fights instantly with one perfect strike.
They create viral moments that bring millions of new fans.
They define fighters' careers and can even change the UFC's future trajectory.
🎥 Watch the Best Knockouts
UFC Fight Pass – Official Replays
Watch all these legendary knockouts in high quality with official UFC commentary.
Knockout Highlights on YouTube
Free highlight reels and compilation videos of the greatest UFC knockouts.
🔥 Related UFC Resources
Final Word
From McGregor's 13-second left hand to Masvidal's flying knee, knockouts are why millions tune in every weekend. This list will evolve as future stars deliver unforgettable finishes — and UFC fans will be there to witness it all.