Casey O'Neill
No upcoming fight scheduled.
CAREER SUMMARY
Casey O'Neill holds a professional MMA record of 12-2-0. Casey O'Neill has won 12 fights: 4 by KO/TKO, 2 by submission, 6 by decision. Of 2 career losses, 0 came by KO/TKO and 1 by submission. In the UFC, Casey O'Neill lands 7.60 significant strikes per minute with 52% accuracy and averages 1.35 takedowns per 15 minutes. Most recent fight: September 19, 2026. Tracked organizations: UFC.
Profile
- Height
- 5'6"168 cm
- Weight
- 125 lbs57 kg
- Reach
- 69"175 cm
- Stance
- Orthodox
- DOB
- 1997-10-07
- Age
- 28
- Nationality
- Australia / United Kingdom
- Birthplace
- Irvine, Scotland
Background
Credentials, amateur pedigree and camp
- 2021Brown belt · BJJ · Casey Halstead
- 2019Eternal MMA Women's Strawweight Championship · Eternal MMA
- Amateur MMA 5-2 · Record
- AGE 4Started in Kickboxing
- AGE 13Started in BJJ
- AGE 14Started in MMA
Camp
- Fight Ready · Scottsdale, Arizona, US
- Bangtao Muay Thai & MMA · Phuket, Thailand
- Xtreme Couture · Las Vegas, Nevada, US Former
- Southside MMA · Springwood, Brisbane, Australia Former
- Matrix Boxing · Boxing · Brisbane, Australia Former
- Tiger Muay Thai · Phuket, Thailand Former
Coaches
- Cam O'Neill · Striking coach
- Casey Halstead · Grappling coach
- Eric Nicksick · Head coach
Training partners
- Miesha Tate
- Loma Lookboonmee
Fight DNA
Pressure WrestlerUFCalendar's style model · Women's Flyweight roster (53 fighters)
Attributes are rated 0-100 by UFCalendar's style model.
By the numbers
Where they rank
All-time boards where Casey O'Neill sits in the top 25.
- #2 Most significant strikes in a fight, Women's Flyweight229
- #2 Most significant strikes in a round, Women's Flyweight86
- #3 Most finishes, Women's Flyweight5
- #4 Strikes landed per minute, Women's Flyweight7.60
- #5 Most knockouts, Women's Flyweight3
- #5 Best striking differential, Women's Flyweight2.24
- #7 Shortest average fight time, Women's Flyweight9:55
- #7 Most performance bonuses, Women's Flyweight3
- #2 Most significant strikes in a fight, Women's Flyweight229
- #2 Most significant strikes in a round, Women's Flyweight86
- #3 Most finishes, Women's Flyweight5
- #4 Strikes landed per minute, Women's Flyweight7.60
- #5 Most knockouts, Women's Flyweight3
- #5 Strikes landed per minute7.60
- #5 Best striking differential, Women's Flyweight2.24
- #7 Shortest average fight time, Women's Flyweight9:55
Bonus résumé
Casey O'Neill has won 2 UFC post-fight bonuses. Estimated bonus earnings: $175,000.
- ★ POTNvs Eduarda Moura · Crypto.com UFC 331Sep 19, 2026
- ★ POTNvs Antonina Shevchenko · UFC Fight Night: Santos vs WalkerOct 2, 2021
Estimates use each era's real amount: $50,000 from 2012, $100,000 from UFC 324, plus $25,000 finish incentives.
All-time bonus leaders →Related fighters
Women's Flyweight top 5
Salary & career earnings
Disclosed purses, reported paydays and what we estimate Casey O'Neill earns per fight.
Career history
- WINUFCCrypto.com UFC 331· Sep 19, 2026· Women's FlyweightPOTNSUBR1 · 3:22
- WINUFCUFC Fight Night: Adesanya vs Pyfer· Mar 28, 2026· Women's Flyweight· 11-2 vs 11-4TKOR1 · 3:11
- WINvs Luana SantosUFCUFC 305: Du Plessis vs Adesanya· Aug 18, 2024· Women's Flyweight· 10-2 vs 8-2UDR3 · 5:00
- LOSSUFCUFC 296: Edwards vs Covington· Dec 16, 2023· Women's Flyweight· 9-2 vs 17-8SUBR2 · 1:18
- LOSSUFCUFC 286: Edwards vs Usman 3· Mar 18, 2023· Women's Flyweight· 9-1 vs 21-9-1UDR3 · 5:00
- WINUFCUFC 271: Adesanya vs Whittaker 2· Feb 12, 2022· Women's Flyweight· 9-0 vs 22-19SDR3 · 5:00
- WINUFCUFC Fight Night: Santos vs Walker· Oct 2, 2021· Women's Flyweight· 8-0 vs 9-4POTNTKOR2 · 4:47
- WINUFCUFC Fight Night: The Korean Zombie vs Ige· Jun 19, 2021· Women's Flyweight· 7-0 vs 7-2SUBR3 · 2:54
- WINvs Shana DobsonUFCUFC Fight Night: Blaydes vs Lewis· Feb 20, 2021· Women's Flyweight· 6-0 vs 4-5TKOR2 · 3:41
- WINvs Christina StelliouUAE Warriors 13· Sep 25, 2020· Flyweight· 5-0 vs 6-4TKOR2 · 2:12
- WINvs Caitlin McEwenEternal MMA 51· Feb 29, 2020· Flyweight· 4-0 vs 5-2UD
- WINvs Miki Motono×3Title bout · Title win #3Eternal MMA 48· Oct 4, 2019· Strawweight· 3-0 vs 2-1UD
- WINvs Jada Ketley×2Title bout · Title win #2Eternal MMA 46· Jul 27, 2019· Strawweight· 2-0 vs 0-1-R1 · 2:32
- WINvs Amira Hafizović×1Title bout · Title win #1Eternal MMA 43· Apr 5, 2019· Strawweight· 1-0 vs 1-2UD
- WINvs Hannah ThomasCoastal Combat 5· Feb 23, 2019· 5-2 vs 0-3-R1 · 3:00
- WINvs Kristy ObstEternal MMA 36· Sep 15, 2018· Strawweight· 4-2 vs 2-1TKOR3 · 2:48
- WINvs Rianne WareEternal MMA 31· Mar 10, 2018· Strawweight· 3-2 vs 0-1TKOR1 · 2:38
- WINvs Tina TrinhEternal MMA 29· Oct 21, 2017· Strawweight· 2-2 vs 0-2TKOR3 · 3:00
- WINvs Gina CardilloEternal MMA 27· Aug 5, 2017· Atomweight· 1-2 vs 0-1-R3 · 1:18
- LOSSvs Sam EganEternal MMA 14· Dec 12, 2015· 0-2 vs 1-0TKOR1 · 0:49
- LOSSvs Hannah DawsonEternal MMA 6· Jul 19, 2014· 0-1 vs 1-0TKOR1 · 1:24
Official UFC Ranking
Casey O'Neill's standing in the official UFC rankings, tracked since 2013.
- Current
- #12 Women's Flyweight
- Meta rank
- #11 Women's Flyweight
- Peak
- #10 Women's Flyweight
- First ranked
- Oct 4, 2021
- Times ranked
- 208
Women's Flyweight
UFCalendar Power Index rating
- Current
- 1763▲36
- Peak
- 1782Feb 13, 2022
- Rated fights
- 14
Frequently asked questions
When does Casey O'Neill fight next?
Casey O'Neill has no confirmed upcoming fight.
What is Casey O'Neill's record?
Casey O'Neill's professional MMA record is 12-2-0.
Who is Casey O'Neill fighting next?
Casey O'Neill's next opponent has not been announced.
Who did Casey O'Neill fight last?
Casey O'Neill most recently fought Eduarda Moura at UFC 331 on Saturday, September 19, 2026, WIN (Submission).
What weight class does Casey O'Neill fight in?
Casey O'Neill fights at Women's Flyweight.
Is Casey O'Neill ranked in the UFC?
Casey O'Neill is currently ranked #12 in the UFC Women's Flyweight division.
How many knockouts does Casey O'Neill have?
Casey O'Neill has 4 wins by KO/TKO and 2 wins by submission.
How many UFC bonuses has Casey O'Neill won?
Casey O'Neill has won 2 UFC post-fight bonuses: 2× Performance of the Night.
How tall is Casey O'Neill?
Casey O'Neill is 5'6" (168 cm) tall.
How much does Casey O'Neill weigh?
Casey O'Neill weighs 125 lbs (57 kg).
What is Casey O'Neill's reach?
Casey O'Neill has a reach of 69" (175 cm).
How old is Casey O'Neill?
Casey O'Neill is 28 years old (born Oct 7, 1997).
Where is Casey O'Neill from?
Casey O'Neill is from Australia / United Kingdom.