11
Scotland55%
Finish Rate
4
KO / TKO
2
Submissions
2019
Pro Debut
Biography
Casey O'Neill is a Scottish and Australian professional mixed martial artist. She currently competes in the women's Flyweight division of the Ultimate Fighting Championship (UFC). As of June 20, 2026, she is #15 in the Meta UFC women's flyweight rankings.
UFC Stats
Official · ufc.comStriking accuracy52%
Takedown accuracy35%
7.89
/ min
Sig. strikes landed
5.53
/ min
Sig. strikes absorbed
1.4
/ 15 min
Takedowns
0.7
avg
Submissions
0.17
avg
Knockdowns
Reach 175 cmUFC debut Feb. 20, 2021Born Irvine, ScotlandTeam Bangtao Muay Thai
How He Wins
KO / TKO4
Decision2
Submission2
Finish Rate
55%
6 of 11
wins by finish
wins by finish
Recent Form
W
W
W
W
W
W
W
L
L
W
Mixed Martial Arts12 Bouts
| Result | Opponent | Method | Rd | Event | Date |
|---|---|---|---|---|---|
| Win |  Luana SantosH2H | Decision (unanimous) | R3 | UFC 305 | Aug 18, 2024 |
| Loss | Ariane LipskiH2H | Submission (armbar) | R2 | UFC 296 | Dec 16, 2023 |
| Loss | Jennifer MaiaH2H | Decision (unanimous) | R3 | UFC 286 | Mar 18, 2023 |
| Win |  Roxanne ModafferiH2H | Decision (split) | R3 | UFC 271 | Feb 12, 2022 |
| Win |  Antonina ShevchenkoH2H | TKO (punches) | R2 | UFC Fight Night: Santos vs. Walker | Oct 2, 2021 |
| Win | Lara Procópio | Technical Submission (rear-naked choke) | R3 | UFC on ESPN: The Korean Zombie vs. Ige | Jun 19, 2021 |
| Win | Shana DobsonH2H | TKO (punches) | R2 | UFC Fight Night: Blaydes vs. Lewis | Feb 20, 2021 |
| Win |  Christina StelliouH2H | KO (punches) | R2 | UAE Warriors 13 | Sep 25, 2020 |
| Win |  Caitlin McEwenH2H | Decision (unanimous) | R3 | Eternal MMA 51 | Feb 29, 2020 |
| Win |  Miki MotonoH2H | Decision (unanimous) | R5 | Eternal MMA 48 | Oct 4, 2019 |
| Win |  Jada KetleyH2H | Submission (rear-naked choke) | R1 | Eternal MMA 46 | Jul 27, 2019 |
| Win | Amira HafizovićH2H | Decision (unanimous) | R5 | Eternal MMA 43 | Apr 5, 2019 |
Related Fighters
Gabriella Fernandes11-4-0 · FLY
Luana Santos10-2-0 · BW
Ariane Lipski da Silva18-11-0 · FLY
Jennifer Maia23-10-1 · BW
Roxanne Modafferi25-20-0 · FLY
Antonina Shevchenko10-4-0 · FLY
Lara Fritzen9-2-0 · FLY
Shana Dobson4-5-0 · FLY
Christina Stelliou6-4-0 · FLY
Caitlin McEwen5-2-0 · BW
Miki Motono10-5-0 · SW
Jada Ketley3-3-0 · SWData sourced from public records for archival/research purposes.