Casey O'Neill

Australian-British mixed martial arts (MMA) fighter

ケイシー・オニール

Born

7 October 1997, Irvine

Citizenship

Australia

Sport

mixed martial arts

Occupation

mixed martial arts fighter

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.

External links

• Wikipedia
• Sherdog
• Wikidata

Facts from Wikidata Q108779860 (CC0); quoted introduction from English Wikipedia (CC BY-SA 4.0). Data retrieved 2026-10-22.

Data: Wikidata (CC0 1.0); Wikipedia (English) (CC BY-SA 4.0). Retrieved 2026-10-22.