| Result | Record | Opponent | Method | Event | Date | Round | Time | Location | Notes |
| Loss | 32–6–1 (1) | Cain Velasquez | KO (Punches) | UFC 110: Nogueira vs. Velasquez | 21 February 2010 | 1 | 2:20 | Sydney, Australia | |
| Win | 32–5–1 (1) | Randy Couture | Decision (Unanimous) | UFC 102: Couture vs. Nogueira | 29 August 2009 | 3 | 5:00 | Portland, Oregon, United States | Fight of the Night |
| Loss | 31–5–1 (1) | Frank Mir | TKO (Punches) | UFC 92: The Ultimate 2008 | 27 December 2008 | 2 | 1:57 | Las Vegas, Nevada, United States | Lost Interim UFC Heavyweight Championship |
| Win | 31–4–1 (1) | Tim Sylvia | Submission (Guillotine Choke) | UFC 81: Breaking Point | 2 February 2008 | 3 | 1:28 | Las Vegas, Nevada, United States | Won Interim UFC Heavyweight Championship; Fight of the Night |
| Win | 30–4–1 (1) | Heath Herring | Decision (Unanimous) | UFC 73: Stacked | 7 July 2007 | 3 | 5:00 | Sacramento, CA | |
| Win | 29–4–1 (1) | Josh Barnett | Decision (Unanimous) | Pride Shockwave 2006 | 31 December 2006 | 3 | 5:00 | Saitama, Japan | |
| Loss | 28–4–1 (1) | Josh Barnett | Decision (Split) | Pride Final Conflict Absolute | 10 September 2006 | 2 | 5:00 | Saitama, Japan | PRIDE 2006 Openweight Grand Prix Semifinal |
| Win | 28–3–1 (1) | Fabricio Werdum | Decision (Unanimous) | Pride Critical Countdown Absolute | 1 July 2006 | 3 | 5:00 | Saitama, Japan | PRIDE 2006 Openweight Grand Prix Quarterfinal |
| Win | 27–3–1 (1) | Zuluzinho | Submission (Armbar) | Pride Total Elimination Absolute | 5 May 2006 | 1 | 2:17 | Osaka, Japan | PRIDE 2006 Openweight Grand Prix Opening Round |
| Win | 26–3–1 (1) | Kiyoshi Tamura | Submission (Armbar) | Pride 31 Dreamers | 26 February 2006 | 1 | 2:24 | Saitama, Japan | |
| Win | 25–3–1 (1) | Paweł Nastula | TKO (Strikes) | Pride Critical Countdown 2005 | 26 June 2005 | 1 | 8:38 | Saitama, Japan | |
| Loss | 24–3–1 (1) | Fedor Emelianenko | Decision (Unanimous) | Pride Shockwave 2004 | 31 December 2004 | 3 | 5:00 | Saitama, Japan | Lost 2004 Pride Heavyweight Grand Prix Final; For Unified Pride Heavyweight Championship |
| NC | 24–2–1 (1) | Fedor Emelianenko | No contest – Accidental Headbutt | Pride Final Conflict 2004 | 15 August 2004 | 1 | 3:52 | Saitama, Japan | 2004 Pride Heavyweight Grand Prix Final; rematch at Pride Shockwave 2004 |
| Win | 24–2–1 | Sergei Kharitonov | Decision (Unanimous) | Pride Final Conflict 2004 | 15 August 2004 | 2 | 5:00 | Saitama, Japan | PRIDE 2004 Heavyweight Grand Prix Semifinal |
| Win | 23–2–1 | Heath Herring | Submission (Anaconda Choke) | Pride Critical Countdown 2004 | 20 June 2004 | 2 | 0:30 | Saitama, Japan | PRIDE 2004 Heavyweight Grand Prix Quarterfinal |
| Win | 22–2–1 | Hirotaka Yokoi | Submission (Anaconda Choke) | Pride Total Elimination 2004 | 25 April 2004 | 2 | 1:25 | Saitama, Japan | PRIDE 2004 Heavyweight Grand Prix Opening Round |
| Win | 21–2–1 | Mirko Filipović | Submission (Armbar) | Pride Final Conflict 2003 | 9 November 2003 | 2 | 1:45 | Tokyo, Japan | Won Interim Pride Heavyweight Championship |
| Win | 20–2–1 | Ricco Rodriguez | Decision (Unanimous) | Pride Total Elimination 2003 | 10 August 2003 | 3 | 5:00 | Saitama, Japan | PRIDE Interim Heavyweight Championship Tournament Opening Round |
| Loss | 19–2–1 | Fedor Emelianenko | Decision (Unanimous) | Pride 25 Body Blow | 16 March 2003 | 3 | 5:00 | Yokohama, Japan | Lost Pride Heavyweight Championship |
| Win | 19–1–1 | Dan Henderson | Submission (Armbar) | Pride 24 Cold Fury 3 | 23 December 2002 | 3 | 1:49 | Fukuoka, Japan | |
| Win | 18–1–1 | Semmy Schilt | Submission (Triangle Choke) | Pride 23 Championship Chaos 2 | 24 November 2002 | 1 | 6:36 | Tokyo, Japan | |
| Win | 17–1–1 | Bob Sapp | Submission (Armbar) | Pride Shockwave | 28 August 2002 | 2 | 4:03 | Tokyo, Japan | |
| Win | 16–1–1 | Sanae Kikuta | KO (Punch) | UFO-Legend | 8 August 2002 | 2 | 0:29 | Tokyo, Japan | |
| Win | 15–1–1 | Enson Inoue | Technical Submission (Triangle Choke) | Pride 19 Bad Blood | 24 February 2002 | 1 | 6:17 | Saitama, Japan | |
| Win | 14–1–1 | Heath Herring | Decision (Unanimous) | Pride 17 Championship Chaos | 3 November 2001 | 3 | 5:00 | Tokyo, Japan | Won First Pride Heavyweight Championship |
| Win | 13–1–1 | Mark Coleman | Submission (Triangle With Armbar) | Pride 16 Beasts From The East | 24 September 2001 | 1 | 6:10 | Osaka, Japan | |
| Win | 12–1–1 | Gary Goodridge | Submission (Triangle Choke) | Pride 15 Raging Rumble | 29 July 2001 | 1 | 2:37 | Saitama, Japan | |
| Win | 11–1–1 | Valentijn Overeem | Submission (Arm Triangle Choke) | Rings – King of Kings 2000 Final | 24 February 2001 | 1 | 1:20 | Tokyo, Japan | Won King of Kings 2000 Tournament |
| Win | 10–1–1 | Hiromitsu Kanehara | Submission (Rear Naked Choke) | Rings – King of Kings 2000 Final | 24 February 2001 | 2 | 0:20 | Tokyo, Japan | King of Kings 2000 Tournament Semifinal |
| Win | 9–1–1 | Volk Han | Decision (Unanimous) | Rings – King of Kings 2000 Final | 24 February 2001 | 2 | 5:00 | Tokyo, Japan | King of Kings 2000 Tournament Quarterfinal |
| Win | 8–1–1 | Kiyoshi Tamura | Submission (Armbar) | Rings – King of Kings 2000 Block A | 9 October 2000 | 2 | 2:29 | Tokyo, Japan | King of Kings 2000 Tournament 2nd Round |
| Win | 7–1–1 | Achmed Labasanov | Submission (Armbar) | Rings – King of Kings 2000 Block A | 9 October 2000 | 1 | 1:38 | Tokyo, Japan | King of Kings 2000 Tournament 1st Round |
| Draw | 6–1–1 | Tsuyoshi Kohsaka | Draw | Rings – Millennium Combine 3 | 23 August 2000 | 2 | 5:00 | Osaka, Japan | |
| Loss | 6–1 | Dan Henderson | Decision (Split) | Rings – King of Kings 1999 Final | 26 February 2000 | 3 | 5:00 | Tokyo, Japan | King of Kings 1999 Tournament Semifinal |
| Win | 6–0 | Andrei Kopylov | Decision (Majority) | Rings – King of Kings 1999 Final | 26 February 2000 | 2 | 5:00 | Tokyo, Japan | King of Kings 1999 Tournament Quarterfinal |
| Win | 5–0 | Jeremy Horn | Decision (Unanimous) | WEF 8 – Goin' Platinum | 15 January 2000 | 3 | 8:00 | Rome, Georgia | Won WEF Heavyweight Superfight Championship |
| Win | 4–0 | Iouri Kotchkine | Technical Submission (Armbar) | Rings – King of Kings 1999 Block A | 28 October 1999 | 1 | 0:40 | Tokyo, Japan | King of Kings 1999 Tournament 2nd Round |
| Win | 3–0 | Valentijn Overeem | Technical Submission (Keylock) | Rings – King of Kings 1999 Block A | 28 October 1999 | 1 | 1:51 | Tokyo, Japan | King of Kings 1999 Tournament 1st Round |
| Win | 2–0 | Nate Schroeder | Submission (Armbar) | WEF 7 – Stomp in the Swamp | 9 October 1999 | 1 | 1:52 | Kenner, Louisiana, United States | |
| Win | 1–0 | David Dodd | Submission (Kimura) | WEF 6 – World Extreme Fighting 6 | 12 June 1999 | 1 | N/A | DeLand, Florida, United States | |
