Casey O'Neill
Women's FlyweightActive on the roster
Pro record
16-4-0
In the UFC
6-2-0
Next fight
Casey O'NeillvsEduarda Moura
UFC 331: Van vs. Pantoja 2. Sep 20, 2026
How the wins come
Knockout744% of wins
Lost 2 this way
Submission425% of wins
Lost 1 this way
Decision531% of wins
Lost 1 this way
11 of 16 wins came inside the distance.
UFC bouts
| Result | Opponent | Method | Round | Event |
|---|---|---|---|---|
| W5-2-0 | Gabriella FernandesRanked #14 | KO/TKOPunches to Head At Distance | 13:11 | UFC Fight Night: Adesanya vs. PyferMar 28, 2026 |
| W4-2-0 | Luana Santos | DecisionUnanimous | 35:00 | UFC 305: Du Plessis vs. AdesanyaAug 17, 2024 |
| L4-1-0 | Ariane da Silva | SubmissionArmbar On Ground | 21:18 | UFC 296: Edwards vs. CovingtonDec 16, 2023 |
| L4-0-0 | Jennifer MaiaRanked #8 | DecisionUnanimous | 35:00 | UFC 286: Edwards vs. Usman 3Mar 18, 2023 |
| W3-0-0 | Roxanne ModafferiRanked #12 | DecisionSplit | 35:00 | UFC 271: Adesanya vs. Whittaker 2Feb 12, 2022 |
| W2-0-0 | Antonina ShevchenkoRanked #15 | KO/TKOPunches to Head From Mount | 24:47 | UFC Fight Night: Santos vs. WalkerOct 2, 2021 |
| W1-0-0 | Lara Procopio | SubmissionRear Naked Choke | 32:54 | UFC Fight Night: Jung vs. IgeJun 19, 2021 |
| W0-0-0 | Shana DobsonRanked #15 | KO/TKOPunches to Head From Mount | 23:41 | UFC Fight Night: Blaydes vs. LewisFeb 20, 2021 |
Before the UFC
12 professional bouts on the way in.
| Result | Opponent | Method | Promotion |
|---|---|---|---|
| W | Christina Stelliou | KO (Punches), R2 | UAE WarriorsSep 25, 2020 |
| W | Caitlin McEwen | Decision (Unanimous), R3 | Eternal MMAFeb 29, 2020 |
| W | Miki Motono | Decision (Unanimous), R5 | Eternal MMAOct 4, 2019 |
| W | Jada Ketley | Submission (Rear-Naked Choke), R1 | Eternal MMAJul 27, 2019 |
| W | Amira Hafizovic | Decision (Unanimous), R3 | Eternal MMAApr 5, 2019 |
| W | Hannah Thomas | Submission (Rear-Naked Choke), R1 | Coastal CombatFeb 23, 2019 |
| W | Kristy Obst | TKO (Punches), R2 | Eternal MMASep 15, 2018 |
| W | Rianne Ware | TKO (Punches), R1 | Eternal MMAMar 10, 2018 |
| W | Tina Trinh | TKO (Corner Stoppage), R2 | Eternal MMAOct 21, 2017 |
| W | Gina Cardillo | Submission (Armbar), R3 | Eternal MMAAug 5, 2017 |
| L | Samantha Egan | TKO (Punches), R1 | Eternal MMADec 12, 2015 |
| L | Hannah Dawson | TKO (Knees), R1 | Eternal MMAJul 19, 2014 |