Casey O'Neill
“King”
#12 Women's FlyweightRecord 11-2Australia
The style
Well-Rounded Finisher
No. 12 ranked · Heavy hands · Grappling background
GrapplingStriking
Casey O'Neill is a 28-year-old flyweight fighting out of Queensland, Australia and currently ranked No. 12 in the division. She returned from more than a year away from competition with a first-round knockout of Gabriella Fernandes in March 2026, and now meets fellow ranked contender Eduarda Moura in a bout that could shake up the top 15.
Tale of the tape
| Record | 11-2 |
| Age | 28 |
| Height | 5'6" |
| Reach | — |
| Stance | — |
| Country | Australia |
| Team | — |
The numbers
Career UFC averages.
| Sig. strikes landed / min | — |
| Striking accuracy | — |
| Sig. strikes absorbed / min | — |
| Striking defense | — |
| Takedowns / 15 min | — |
| Takedown accuracy | — |
| Takedown defense | — |
| Submission attempts / 15 min | — |
How they win
4 KO/TKO2 SUB5 DEC