| Niederlage | 47-19 (1) | Alexander Volkov  | TKO (Punches) |  | UFC Fight Night 184: Overeem vs Volkov | Feb 06, 2021 | 2 | 2:06 | Abu Dhabi, Dubai, United Arab Emirates  |
| Sieg | 47-18 (1) | Augusto Sakai  | TKO (Elbows and Punches) |  | UFC Fight Night 176: Overeem vs Sakai | Sep 05, 2020 | 5 | 0:26 | Las Vegas, Nevada, United States  |
| Sieg | 46-18 (1) | Walt Harris | TKO (Punches) |  | UFC on ESPN: Overeem vs Harris | May 16, 2020 | 2 | 3:00 | Jacksonville, Florida, United States |
| Cancelled Bout | | Walt Harris | - |  | UFC on ESPN+ 30: Overeem vs Harris | Apr 11, 2020 | - | - | Portland, Oregon, United States |
| Niederlage | 45-18 (1) | Jairzinho Rozenstruik  | KO (Punch) |  | UFC on ESPN 7: Overeem vs Rozenstruik | Dec 07, 2019 | 5 | 4:56 | Washington D.C., United States |
| Cancelled Bout | | Walt Harris | - |  | UFC on ESPN 6: | Dec 07, 2019 | - | - | Washington D.C., United States |
| Sieg | 45-17 (1) | Alexey Oleinik | TKO (Punches) |  | UFC on ESPN+ 7: Overeem vs Oleinik | Apr 20, 2019 | 1 | 4:45 | St. Petersburg, Russia |
| Cancelled Bout | | Alexander Volkov | - |  | UFC Fight Night 149 | Apr 20, 2019 | - | - | St. Petersburg, Russia |
| Sieg | 44-17 (1) | Sergey Pavlovich | TKO (Punches) |  | UFC Fight Night 141: Blaydes vs N'Gannou 2 | Nov 24, 2018 | 1 | 4:21 | Beijing, China  |
| Niederlage | 43-17 (1) | Curtis Blaydes | TKO (Elbows) |  | UFC 225 | Jun 09, 2018 | 3 | 2:56 | Chicago, Illinois, United States |
| Niederlage | 43-16 (1) | Francis Ngannou  | KO (Punch) |  | UFC 218 | Dec 02, 2017 | 1 | 1:42 | Detroit, Michigan, United States |
| Sieg | 43-15 (1) | Fabricio Werdum | Decision (Majority) |  | UFC 213: Nunes vs Shevchenko 2 | Jul 08, 2017 | 33 | 5:00 | Las Vegas, Nevada, United States |
| Sieg | 42-15 (1) | Mark Hunt  | KO (knees) |  | UFC 209: Woodley vs Thompson 2 | Mar 04, 2017 | 3 | 1:44 | Las Vegas, Nevada, United States |
| Niederlage | 41-15 (1) | Stipe Miocic | KO (punches) |  | UFC 203: Miocic vs Overeem | Sep 10, 2016 | 1 | 4:27 | Cleveland, Ohio, United States |
| Sieg | 41-14 (1) | Andrey Arlovski  | TKO (crane kick and punches) |  | UFC Fight Night 87: Overeem vs Arlovski | May 08, 2016 | 2 | 1:12 | Rotterdam, Netherlands  |
| Sieg | 40-14 (1) | Junior dos Santos | TKO (Punches) |  | UFC on FOX: Dos Anjos vs Cerrone 2 | Dec 19, 2015 | 2 | 4:43 | Orlando, United States |
| Sieg | 39-14 (1) | Roy Nelson | Decision (Unanimous) |  | UFC 185: Pettis vs Dos Anjos | Mar 14, 2015 | 3 | 5:00 | Dallas, Texas, United States |
| Sieg | 38-14 (1) | Stefan Struve | TKO (punches) |  | UFC on Fox: Dos Santos vs Miocic | Dec 13, 2014 | 1 | 4:13 | Phoenix, United States |
| Niederlage | 37-14 (1) | Ben Rothwell | TKO (punches) |  | UFC Fight Night: Mousasi vs Jacare | Sep 05, 2014 | 1 | 2:19 | Ledyard, United States |
| Sieg | 37-13 (1) | Frank Mir | Decision (unanimous) |  | UFC 169: Barao vs Faber II | Feb 01, 2014 | 3 | 5:00 | Newark, United States |
| Niederlage | 36-13 (1) | Travis Browne | KO (front kick and punches) |  | UFC 164 | Aug 17, 2013 | 1 | 4:08 | Milwaukee, United States |
| Niederlage | 36-12 (1) | Antonio Silva | KO (punches) | | UFC 156: Aldo vs Edgar | Feb 02, 2013 | 3 | 0:25 | Las Vegas, United States |
| Sieg | 36-11 (1) | Brock Lesnar | TKO (kick to the body & punches) |  | UFC 141 | Dec 30, 2011 | 1 | 2:26 | Las Vegas, United States |
| Sieg | 35-11 (1) | Fabricio Werdum | Decision (unanimous) |  | Strikeforce: Heavyweight Grand Prix | Jun 18, 2011 | 3 | 5:00 | Dallas, United States |
| Sieg | 34-11 (1) | Todd Duffee | KO (knee & punches) |  | Dynamite!! 2010 | Dec 31, 2010 | 1 | 0:19 | Saitama, Saitama, Japan  |
| Sieg | 33-11 (1) | Brett Rogers | TKO (punches) |  | Strikeforce: Heavy Artillery | May 15, 2010 | 1 | 3:40 | St. Louis, United States |
| Sieg | 32-11 (1) | Kazuyuki Fujita | KO (knee) |  | Dynamite!! 2009 | Dec 31, 2009 | 1 | 1:15 | Saitama, Saitama, Japan |
| Sieg | 31-11 (1) | James Thompson  | Submission | | Dream 12 | Oct 25, 2009 | 1 | 0:33 | Osaka, Osaka, Japan |
| Sieg | 30-11 (1) | Tony Sylvester | Submission | | Ultimate Glory 11: A Decade of Fights | Oct 17, 2009 | 1 | 1:23 | Amsterdam, Netherlands |
| Sieg | 29-11 (1) | Gary Goodridge  | Submission (kimura) | | Ultimate Glory 10: The Battle of Arnhem | Nov 09, 2008 | 1 | 1:47 | Arnhem, Netherlands |
| NC | 28-11 (1) | Mirko Filipović  | No Contest |  | Dream 6 | Sep 23, 2008 | 1 | 6:09 | Saitama, Saitama, Japan |
| Sieg | 28-11 | Mark Hunt | Submission (keylock) |  | Dream 5 | Jul 21, 2008 | 1 | 1:11 | Osaka, Osaka, Japan |
| Sieg | 27-11 | Lee Tae-Hyun | KO (punches & knee) | | Dream 4 | Jun 15, 2008 | 1 | 0:36 | Yokohama, Kanagawa, Japan |
| Sieg | 26-11 | Paul Buentello | Submission | | Strikeforce | Nov 16, 2007 | 2 | 3:42 | San Jose, United States |
| Niederlage | 25-11 | Sergei Kharitonov | KO (punch) |  | Hero's 10 | Sep 17, 2007 | 1 | 4:21 | Yokohama, Kanagawa, Japan |
| Sieg | 25-10 | Michael Knaap | Submission (guillotine choke) | | K-1 World Grand Prix 2007 in Amsterdam | Jun 23, 2007 | 1 | 4:51 | Amsterdam, Netherlands |
| Niederlage | 24-10 | Mauricio Rua | KO (punches) | | Pride 33 | Feb 24, 2007 | 1 | 3:37 | Las Vegas, Nevada, U.S. |
| Niederlage | 24-9 | Ricardo Arona | Submission (punches) |  | Pride Final Conflict Absolute | Sep 10, 2006 | 1 | 4:28 | Saitama, Saitama, Japan |
| Niederlage | 24-8 | Antonio Rogério Nogueira | TKO (punches) | | Pride Critical Countdown Absolute | Jul 01, 2006 | 2 | 2:13 | Saitama, Saitama, Japan |
| Sieg | 24-7 | Vitor Belfort | Decision (unanimous) | | Strikeforce: Revenge | Jun 09, 2006 | 3 | 5:00 | San Jose, United States |
| Niederlage | 23-7 | Fabricio Werdum | Submission (kimura) | | Pride Total Elimination Absolute | May 05, 2006 | 2 | 3:43 | Osaka, Osaka, Japan |
| Sieg | 23-6 | Nikolajus Cilkinas | Submission (armbar) | | WCFC: No Guts, No Glory | Mar 18, 2006 | 1 | 1:42 | Manchester, England  |
| Sieg | 22-6 | Sergei Kharitonov | TKO (knees) | | Pride 31 | Feb 26, 2006 | 1 | 5:13 | Saitama, Saitama, Japan |
| Niederlage | 21-6 | Mauricio Rua | TKO (punches) | | Pride Final Conflict 2005 | Aug 28, 2005 | 1 | 6:42 | Saitama, Saitama, Japan |
| Sieg | 21-5 | Igor Vovchanchyn  | Submission (guillotine choke) | | Pride Critical Countdown 2005 | Jun 26, 2005 | 1 | 1:25 | Saitama, Saitama, Japan |
| Sieg | 20-5 | Vitor Belfort | Submission (guillotine choke) | | Pride Total Elimination 2005 | Apr 23, 2005 | 1 | 9:36 | Osaka, Osaka, Japan |
| Niederlage | 19-5 | Antonio Rogério Nogueira | Decision (unanimous) | | Pride 29 | Feb 20, 2005 | 3 | 5:00 | Saitama, Saitama, Japan |
| Sieg | 19-4 | Hiromitsu Kanehara | TKO (doctor stoppage) | | Pride 28 | Oct 31, 2004 | 2 | 3:52 | Saitama, Saitama, Japan |
| Sieg | 18-4 | Rodney Glunder | Submission (guillotine choke) | | 2 Hot 2 Handle | Oct 10, 2004 | 1 | 1:32 | Rotterdam, Netherlands |
| Sieg | 17-4 | Tomohiko Hashimoto | TKO (knees and punches) | | Inoki Bom-Ba-Ye 2003 | Dec 31, 2003 | 1 | 0:36 | Kobe, Hyogo, Japan |
| Niederlage | 16-4 | Chuck Liddell | KO (punches) |  | Pride Total Elimination 2003 | Aug 10, 2003 | 1 | 3:09 | Saitama, Saitama, Japan |
| Sieg | 16-3 | Mike Bencic | Submission (knee to the body) | | Pride 26 | Jun 08, 2003 | 1 | 3:44 | Yokohama, Kanagawa, Japan |
| Sieg | 15-3 | Aaron Brink | Submission (guillotine choke) | | 2H2H 6: Simply the Best 6 | Mar 16, 2003 | 1 | 0:53 | Rotterdam, Netherlands |
| Sieg | 14-3 | Bozigit Ataev | TKO (knee to the body) |  | Pride 24 | Dec 23, 2002 | 2 | 4:59 | Fukuoka, Fukuoka, Japan |
| Sieg | 13-3 | Dave Vader | TKO (doctor stoppage) | | 2H2H 5: Simply the Best 5 | Oct 13, 2002 | 1 | 3:17 | Rotterdam, Netherlands |
| Sieg | 12-3 | Moise Rimbon | Submission (triangle choke) | | 2H2H 5: Simply the Best 5 | Oct 13, 2002 | 1 | 1:13 | Rotterdam, Netherlands |
| Sieg | 11-3 | Yusuke Imamura | TKO (knee and punches) | | Pride The Best Vol.2 | Jul 20, 2002 | 1 | 0:44 | Tokyo, Japan |
| Sieg | 10-3 | Vesa Vuori | TKO (punches) | | 2 Hot 2 Handle: Germany | May 26, 2002 | 1 | 2:15 | Krefeld, Germany  |
| Sieg | 9-3 | Sergey Kaznovsky | Submission (armbar) | | M-1 Mix-Fight Championship: Russia vs. The World 3 | Apr 26, 2002 | 1 | 3:37 | Saint Petersburg, Russia |
| Sieg | 8-3 | Roman Zentsov | Submission (keylock) | | 2H2H 4: Simply the Best 4 | Mar 17, 2002 | 1 | 1:26 | Rotterdam, Netherlands |
| Sieg | 7-3 | Stanislav Nuschik | TKO (knees) | | 2H2H 2: Simply The Best | Mar 18, 2001 | 1 | 0:53 | Rotterdam, Netherlands |
| Sieg | 6-3 | Vladimer Chanturia | Submission (rear naked choke) | | Rings: King of Kings 2000 Final | Feb 24, 2001 | 1 | 1:06 | Tokyo, Japan |
| Sieg | 5-3 | Peter Verschuren | Submission (keylock) | | It's Showtime: Christmas Edition | Dec 12, 2000 | 1 | 1:16 | Haarlem, Netherlands |
| Niederlage | 4-3 | Bobby Hoffman | KO (punches) | | Rings: Millennium Combine 2 | Jun 15, 2000 | 1 | 9:39 | Tokyo, Japan |
| Niederlage | 4-2 | Yuriy Kochkine | Decision (split) | | Rings Russia: Russia vs. The World | May 20, 2000 | 2 | 5:00 | Yekaterinburg, Russia |
| Sieg | 4-1 | Yasuhito Namekawa | Submission (armbar) | | Rings: Millennium Combine 1 | Apr 20, 2000 | 1 | 0:45 | Tokyo, Japan |
| Sieg | 3-1 | Can Sahinbas | KO (knee) | | 2 Hot 2 Handle 1 | Mar 05, 2000 | 1 | 2:21 | Rotterdam, Netherlands |
| Sieg | 2-1 | Chris Watts | KO (knee to the body) | | Rings Holland: There Can Only Be One Champion | Feb 06, 2000 | 1 | 3:58 | Utrecht, Netherlands |
| Niederlage | 1-1 | Yuriy Kochkine | Decision (majority) | | Rings: King of Kings 1999 Block A | Oct 28, 1999 | 2 | 5:00 | Tokyo, Japan |
| Sieg | 1-0 | Ricardo Fyeet | Submission (guillotine choke) | | It's Showtime - It's Showtime | Oct 24, 1999 | 1 | 1:39 | Haarlem, Netherlands |
