| UFC 324 - Gaethje vs Pimblett | 01/25 03:00 | - | Sean O'Malley vs Yadong Song | View |
| UFC | 06/08 04:41 | - | Neel/Townsend v Sean O'Malley | 1-0 | |
| UFC | 09/15 05:30 | - |
Sean O'Malley v
VFR Neumunster
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0-1 | |
| UFC | 03/10 05:45 | - | Sean O'Malley v Marlon Vera | 1-0 | |
| UFC | 08/20 04:55 | - | Aljamain Sterling v Sean O'Malley | 0-1 | |
| UFC | 10/22 19:25 | - | Petr Yan v Sean O'Malley | 0-1 | |
| UFC | 07/03 02:20 | - | Pedro Munhoz v Sean O'Malley | CANC | |
| UFC | 12/12 03:00 | - | Raulian Paiva v Sean O'Malley | 0-1 | |
| UFC | 07/11 02:00 | - | Sean O'Malley v Kris Moutinho | 1-0 | |
| UFC | 03/28 03:00 | - | Thomas Almeida v Sean O'Malley | 0-1 | |
| UFC | 08/16 03:40 | - | Sean O'Malley v Marlon Vera | 0-1 | |
| UFC | 06/07 02:15 | - | Sean O'Malley v Eddie Wineland | 1-0 | |
| UFC | 03/08 02:35 | - | Jose Quinonez v Sean O'Malley | 0-1 |
Sean Daniel O'Malley (born October 24, 1994) is an American professional mixed martial artist. He currently competes in the Bantamweight division of the Ultimate Fighting Championship (UFC), where he is the former UFC Bantamweight Champion. As of October 28, 2025, he is #2 in the UFC bantamweight rankings.