| 2018-05-12 | UFC 224: Nunes vs. Pennington | Middleweight | Lyoto Machida def. Vitor Belfort | KO (front kick) | 2 | 1:00 |
| 2017-06-03 | UFC 212: Aldo vs. Holloway | Middleweight | Vitor Belfort def. Nate Marquardt | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2017-03-11 | UFC Fight Night: Belfort vs. Gastelum | Middleweight | Kelvin Gastelum vs. Vitor Belfort | No Contest (overturned) | 1 | 3:52 |
| 2016-10-08 | UFC 204: Bisping vs. Henderson 2 | Middleweight | Gegard Mousasi def. Vitor Belfort | TKO (head kick and punches) | 2 | 2:43 |
| 2016-05-14 | UFC 198: Werdum vs. Miocic | Middleweight | Ronaldo Souza def. Vitor Belfort | TKO (punches) | 1 | 4:38 |
| 2015-11-07 | UFC Fight Night: Belfort vs. Henderson 3 | Middleweight | Vitor Belfort def. Dan Henderson | KO (head kick and punches) | 1 | 2:07 |
| 2015-05-23 | UFC 187: Johnson vs. Cormier | Middleweight | Chris Weidman def. Vitor Belfort title | TKO (punches) | 1 | 2:53 |
| 2013-11-09 | UFC Fight Night: Belfort vs. Henderson 2 | Light Heavyweight | Vitor Belfort def. Dan Henderson | KO (head kick) | 1 | 1:17 |
| 2013-05-18 | UFC on FX: Belfort vs. Rockhold | Middleweight | Vitor Belfort def. Luke Rockhold | KO (spinning heel kick and punches) | 1 | 2:32 |
| 2013-01-19 | UFC on FX: Belfort vs. Bisping | Middleweight | Vitor Belfort def. Michael Bisping | TKO (head kick and punches) | 2 | 1:27 |
| 2012-09-22 | UFC 152: Jones vs. Belfort | Light Heavyweight | Jon Jones def. Vitor Belfort title | Submission (americana) | 4 | 0:54 |
| 2012-01-14 | UFC 142: Aldo vs. Mendes | Catchweight | Vitor Belfort def. Anthony Johnson | Submission (rear-naked choke) | 1 | 4:49 |
| 2011-08-06 | UFC 133: Evans vs. Ortiz | Middleweight | Vitor Belfort def. Yoshihiro Akiyama | KO (punches) | 1 | 1:52 |
| 2011-02-05 | UFC 126: Silva vs. Belfort | Middleweight | Anderson Silva def. Vitor Belfort title | KO (front kick and punches) | 1 | 3:25 |
| 2009-09-19 | UFC 103: Franklin vs. Belfort | Middleweight | Vitor Belfort def. Rich Franklin | KO (punches) | 1 | 3:02 |
| 2005-02-05 | UFC 51: Super Saturday | Light Heavyweight | Tito Ortiz def. Vitor Belfort | Decision (split) (29–28, 28–29, 29–28) | 3 | 5:00 |
| 2004-08-21 | UFC 49: Unfinished Business | Light Heavyweight | Randy Couture def. Vitor Belfort title | TKO (doctor stoppage) | 3 | 5:00 |
| 2004-01-31 | UFC 46: Supernatural | Light Heavyweight | Vitor Belfort def. Randy Couture title | TKO (doctor stoppage) | 1 | 0:49 |
| 2003-06-06 | UFC 43: Meltdown | Light Heavyweight | Vitor Belfort def. Marvin Eastman | TKO (knees and punches) | 1 | 1:07 |
| 2002-06-22 | UFC 37.5: As Real As It Gets | Light Heavyweight | Chuck Liddell def. Vitor Belfort | Decision (unanimous) (30–27, 30–27, 29–28) | 3 | 5:00 |
| 1998-10-16 | UFC Brazil: Ultimate Brazil | Middleweight | Vitor Belfort def. Wanderlei Silva | TKO (punches) | | 0:44 |
| 1997-12-21 | UFC Japan: Ultimate Japan | Heavyweight | Vitor Belfort def. Joe Charles | Submission (armbar) | 1 | 4:03 |
| 1997-10-17 | UFC 15: Collision Course | Heavyweight | Randy Couture def. Vitor Belfort title | TKO (punches) | | 8:16 |
| 1997-05-30 | UFC 13: The Ultimate Force | Heavyweight | Vitor Belfort def. Tank Abbott | TKO (punches) | | 0:52 |
| 1997-02-07 | UFC 12: Judgement Day | Heavyweight | Vitor Belfort def. Scott Ferrozzo | TKO (punches) | | 0:43 |
| 1997-02-07 | UFC 12: Judgement Day | Heavyweight | Vitor Belfort def. Tra Telligman | TKO (cut) | | 1:17 |