Casey O'Neill

UFC

Australia · Women's Flyweight · Born 7 October 1997 · Age 29

Redraft rank: #127 Dynasty rank: #127 Full MMA rankings · Trade calculator

About Casey O'Neill

Casey O'Neill (born 7 October 1997) 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 September 19, 2026, she is #11 in the Meta UFC women's flyweight rankings.

Bio summary from Wikipedia.

Watch Casey O'Neill Highlights

“NASTY SUB 😯 | Casey O'Neill vs. Eduarda Moura | UFC 331 Mini Fight Highlights” · Open on YouTube · More Casey O'Neill videos