| 2011-02-05 | UFC 126: Silva vs. Belfort | Lightweight | Donald Cerrone def. Paul Kelly | Submission (rear-naked choke) | 2 | 3:48 |
| 2010-11-20 | UFC 123: Rampage vs. Machida | Lightweight | Paul Kelly def. T.J. O'Brien | TKO (elbows) | 2 | 3:16 |
| 2010-08-01 | UFC Live: Jones vs. Matyushenko | Lightweight | Jacob Volkmann def. Paul Kelly | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2010-04-10 | UFC 112: Invincible | Lightweight | Paul Kelly def. Matt Veach | Submission (guillotine choke) | 2 | 3:41 |
| 2009-11-14 | UFC 105: Couture vs. Vera | Lightweight | Dennis Siver def. Paul Kelly | TKO (spinning back kick and punches) | 2 | 2:53 |
| 2009-06-13 | UFC 99: The Comeback | Lightweight | Paul Kelly def. Rolando Delgado | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2009-02-21 | UFC 95: Sanchez vs. Stevenson | Welterweight | Paul Kelly def. Dorian Price | Decision (unanimous) (30–27, 30–27, 30–28) | 3 | 5:00 |
| 2008-10-18 | UFC 89: Bisping vs. Leben | Welterweight | Marcus Davis def. Paul Kelly | Submission (guillotine choke) | 2 | 2:16 |
| 2008-01-19 | UFC 80: Rapid Fire | Welterweight | Paul Kelly def. Paul Taylor | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |