| 2022-09-10 | UFC 279: Diaz vs. Ferguson | Welterweight | Nate Diaz def. Tony Ferguson | Submission (guillotine choke) | 4 | 2:52 |
| 2021-06-12 | UFC 263: Adesanya vs. Vettori 2 | Welterweight | Leon Edwards def. Nate Diaz | Decision (unanimous) (49–46, 49–46, 49–46) | 5 | 5:00 |
| 2019-11-02 | UFC 244: Masvidal vs. Diaz | Welterweight | Jorge Masvidal def. Nate Diaz | TKO (doctor stoppage) | 3 | 5:00 |
| 2019-08-17 | UFC 241: Cormier vs. Miocic 2 | Welterweight | Nate Diaz def. Anthony Pettis | Decision (unanimous) (30–27, 30–27, 29–28) | 3 | 5:00 |
| 2016-08-20 | UFC 202: Diaz vs. McGregor 2 | Welterweight | Conor McGregor def. Nate Diaz | Decision (majority) (48–47, 47–47, 48–47) | 5 | 5:00 |
| 2016-03-05 | UFC 196: McGregor vs. Diaz | Welterweight | Nate Diaz def. Conor McGregor | Submission (rear-naked choke) | 2 | 4:09 |
| 2015-12-19 | UFC on Fox: dos Anjos vs. Cowboy 2 | Lightweight | Nate Diaz def. Michael Johnson | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2014-12-13 | UFC on Fox: dos Santos vs. Miocic | Catchweight | Rafael dos Anjos def. Nate Diaz | Decision (unanimous) (30–26, 30–26, 30–27) | 3 | 5:00 |
| 2013-11-30 | The Ultimate Fighter: Team Rousey vs. Team Tate Finale | Lightweight | Nate Diaz def. Gray Maynard | TKO (punches) | 1 | 2:38 |
| 2013-04-20 | UFC on Fox: Henderson vs. Melendez | Lightweight | Josh Thomson def. Nate Diaz | TKO (head kick and punches) | 2 | 3:44 |
| 2012-12-08 | UFC on Fox: Henderson vs. Diaz | Lightweight | Benson Henderson def. Nate Diaz title | Decision (unanimous) (50–43, 50–45, 50–45) | 5 | 5:00 |
| 2012-05-05 | UFC on Fox: Diaz vs. Miller | Lightweight | Nate Diaz def. Jim Miller | Submission (guillotine choke) | 2 | 4:09 |
| 2011-12-30 | UFC 141: Lesnar vs. Overeem | Lightweight | Nate Diaz def. Donald Cerrone | Decision (unanimous) (30–27, 30–27, 29–28) | 3 | 5:00 |
| 2011-09-24 | UFC 135: Jones vs. Rampage | Lightweight | Nate Diaz def. Takanori Gomi | Submission (armbar) | 1 | 4:27 |
| 2011-04-30 | UFC 129: St-Pierre vs. Shields | Welterweight | Rory MacDonald def. Nate Diaz | Decision (unanimous) (30–26, 30–27, 30–26) | 3 | 5:00 |
| 2011-01-01 | UFC 125: Resolution | Welterweight | Kim Dong-hyun def. Nate Diaz | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2010-08-28 | UFC 118: Edgar vs. Penn 2 | Welterweight | Nate Diaz def. Marcus Davis | Technical Submission (guillotine choke) | 3 | 4:02 |
| 2010-03-27 | UFC 111: St-Pierre vs. Hardy | Catchweight | Nate Diaz def. Rory Markham | TKO (punches) | 1 | 2:47 |
| 2010-01-11 | UFC Fight Night: Maynard vs. Diaz | Lightweight | Gray Maynard def. Nate Diaz | Decision (split) (28–29, 30–27, 29–28) | 3 | 5:00 |
| 2009-09-16 | UFC Fight Night: Diaz vs. Guillard | Lightweight | Nate Diaz def. Melvin Guillard | Submission (guillotine choke) | 2 | 2:13 |
| 2009-06-20 | The Ultimate Fighter: United States vs. United Kingdom Finale | Lightweight | Joe Stevenson def. Nate Diaz | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2009-01-31 | UFC 94: St-Pierre vs. Penn 2 | Lightweight | Clay Guida def. Nate Diaz | Decision (split) (29–28, 28–29, 29–28) | 3 | 5:00 |
| 2008-09-17 | UFC Fight Night: Diaz vs. Neer | Lightweight | Nate Diaz def. Josh Neer | Decision (split) (28–29, 29–28, 29–28) | 3 | 5:00 |
| 2008-04-02 | UFC Fight Night: Florian vs. Lauzon | Lightweight | Nate Diaz def. Kurt Pellegrino | Submission (triangle choke) | 2 | 3:06 |
| 2008-01-23 | UFC Fight Night: Swick vs. Burkman | Lightweight | Nate Diaz def. Alvin Robinson | Submission (triangle choke) | 1 | 3:39 |
| 2007-09-19 | UFC Fight Night: Thomas vs. Florian | Lightweight | Nate Diaz def. Júnior Assunção | Submission (guillotine choke) | 1 | 4:10 |
| 2007-06-23 | The Ultimate Fighter: Team Pulver vs. Team Penn Finale | Lightweight | Nate Diaz def. Manny Gamburyan | TKO (shoulder injury) | 2 | 0:20 |