Height

5' 6"

Reach

69"

Stance

Orthodox

Age

"King"

CASEY O'NEILL

Rank #15Scottish-Australian· Fight Ready

Height

5' 6"

Reach

69"

Stance

Orthodox

Age

Casey O'Neill is a Scottish-Australian mixed martial artist competing in the UFC Flyweight division. She began training in kickboxing at a young age before transitioning to MMA, making her professional debut in 2019. Noteworthy victories include wins over prominent fighters such as Antonina Shevchenko and Roxanne Modafferi. O'Neill is recognized for her striking skills and grappling proficiency, achieving multiple finishes in her fights.

Record entering UFC 331: Van vs. Pantoja 2

Wins

Losses

Draws

11-2-0

Overall

Previous fights

08vs. Gabriella Fernandes

Win12-2-0·KO (punches)

UFC Fight Night: Adesanya vs. Pyfer·Seattle, Washington, United States

Mar 28, 2026·Round 1·3:11

07vs. Luana Santos

Win11-2-0·Decision (unanimous)

UFC 305·Perth, Australia

Aug 18, 2024·Round 3·5:00

06vs. Ariane Lipski

Loss10-2-0·Submission (armbar)

UFC 296·Las Vegas, Nevada, United States

Dec 16, 2023·Round 2·1:18

05vs. Jennifer Maia

Loss9-2-0·Decision (unanimous)

UFC 286·London, England

Mar 18, 2023·Round 3·5:00

04vs. Roxanne Modafferi

Win9-1-0·Decision (split)

UFC 271·Houston, Texas, United States

Feb 12, 2022·Round 3·5:00

03vs. Antonina Shevchenko

Win8-0-0·TKO (punches)

UFC Fight Night: Santos vs. Walker·Las Vegas, Nevada, United States

Oct 2, 2021·Round 2·4:47

02vs. Lara Procópio

Win7-0-0·Technical Submission (rear-naked choke)

UFC on ESPN: The Korean Zombie vs. Ige·Las Vegas, Nevada, United States

Jun 19, 2021·Round 3·2:54

01vs. Shana Dobson

Win6-0-0·TKO (punches)

UFC Fight Night: Blaydes vs. Lewis·Las Vegas, Nevada, United States

Feb 20, 2021·Round 2·3:41

CASEY O'NEILL

Record entering UFC 331: Van vs. Pantoja 2

Previous fights

More fighters on this card