Fighter

Alexander O'Sullivan

"The Wolf"

5-1-0

IrelandLast 5

Amateur MMA 20-10

NEXT FIGHT

No upcoming fight scheduled.

Alexander O'Sullivan holds a professional MMA record of 5-1-0. Their full professional MMA career spans 6 bouts on record. Alexander O'Sullivan has won 5 fights: 1 by KO/TKO, 2 by submission, 2 by decision. Of 1 career loss, 1 came by KO/TKO and 0 by submission.

Profile

Height: 5'9"175 cm
Nationality: Ireland
Birthplace: Ireland

Career history

LOSS
vs Alexander Lööf
Cage Warriors 206· Jun 19, 2026· Featherweight· 5-0 vs 8-4
TKO
R2 · 1:56
WIN
vs Scott Harvey
Cage Warriors 200· Feb 21, 2026· Featherweight· 4-0 vs 5-0
TKO
R1 · 4:37
WIN
vs Manuel Lancioli
Cage Warriors 195· Oct 4, 2025· Lightweight· 3-0 vs 3-2
UD
WIN
vs Daire Toman
Cage Warriors 188· Apr 26, 2025· Featherweight· 2-0 vs 4-3
UD
WIN
vs Afrim Thaqi
Cage Warriors 153· Apr 29, 2023· Bantamweight· 1-0 vs 0-0
SUB
R1 · 1:18
WIN
vs Matteo Pichierri
Cage Conflict 8· Oct 15, 2022· Bantamweight· 0-0 vs 1-0
SUB

LOSS
vs Tiarnan Loughran
Clan Wars 41· Aug 8, 2021· Featherweight· 20-9 vs 5-0
SD
LOSS
vs Elaman Shalkimbekov
IMMAF-WMMAA· Nov 14, 2019· Featherweight· 20-8 vs 5-1
UD
WIN
vs Alexander Lööf
IMMAF-WMMAA· Nov 13, 2019· Featherweight· 19-8 vs 5-2
SUB
R2 · 1:48
WIN
vs Marcello Romano
IMMAF-WMMAA· Nov 11, 2019· Featherweight· 18-8 vs 1-1
UD
WIN
vs Aleksandar Yankov×5Title bout · Title win #5
Akuma Fighting Championship 14· Aug 25, 2019· Featherweight· 17-8 vs 3-5
SUB
R2 · 2:58
LOSS
vs Anatoly Zolotykh
2019 IMMAF-WMMAA European Senior & Junior Open Championships· Jun 22, 2019· Featherweight· 17-7 vs 7-1
SD
WIN
vs Artem Bachun
2019 IMMAF-WMMAA European Senior & Junior Open Championships· Jun 21, 2019· Featherweight· 16-7 vs 5-2
SD
WIN
vs Tommy Thompson
2019 IMMAF-WMMAA European Senior & Junior Open Championships· Jun 20, 2019· Featherweight· 15-7 vs 6-0
UD
LOSS
vs Elbek Alyshov
2018 IMMAF Junior World Championships· Nov 15, 2018· Featherweight· 15-6 vs 2-0
UD
WIN
vs Eryk Walecki
2018 IMMAF Junior World Championships· Nov 14, 2018· Featherweight· 14-6 vs 17-7
UD
WIN
vs Gabriel Pintado
2018 IMMAF Junior World Championships· Nov 13, 2018· Featherweight· 13-6 vs 0-0
SUB
R2 · 0:53
LOSS
vs Jack Maguire
Cage Legacy 6· Feb 9, 2018· Featherweight· 13-5 vs 10-3
UD
LOSS
vs Chris Duncan
Headhunters FC· Nov 18, 2017· Catchweight· 13-4 vs 9-1
TKO
WIN
vs Leon Hill×4Title bout · Title win #4
Cage Legacy Fighting Championship 4· Oct 29, 2017· Lightweight· 12-4 vs 3-2
SUB
LOSS
vs Lee Hammond
Battle Zone FC 17· Aug 19, 2017· Lightweight· 12-3 vs 7-3
SUB
R1 · 2:12
LOSS
vs Ferdun Osmanov
2016 IMMAF European Open Championships· Nov 25, 2016· Lightweight· 12-2 vs 7-3
UD
WIN
vs Cristian Iorga
2016 IMMAF European Open Championships· Nov 24, 2016· Lightweight· 11-2 vs 7-2
UD
WIN
vs Gustavo Gomez
2016 IMMAF European Open Championships· Nov 23, 2016· Lightweight· 10-2 vs 3-6
UD
LOSS
vs Rory Evans
Adrenalin Fight Night· Oct 1, 2016· Featherweight· 10-1 vs 5-0
UD
WIN
vs Paul Aylmer×3Title bout · Title win #3
Cage Ring Championship 2· Sep 18, 2016· Lightweight· 9-1 vs 5-4-1
UD
WIN
vs Brian Evans×2Title bout · Title win #2
Adrenalin Fight Night· Jun 4, 2016· Featherweight· 8-1 vs 1-0
TKO
R3 · 2:48
WIN
vs James Williams
Shinobi War 7· Apr 30, 2016· Bantamweight· 7-1 vs 2-1
SUB
R2 · 2:49
WIN
vs Peter McCafferty×1Title bout · Title win #1
Headhunters FC· Mar 12, 2016· Bantamweight· 6-1 vs 3-2-1
DEC
WIN
vs Daire Toman
Akuma Fighting Championship 7· Feb 20, 2016· Bantamweight· 5-1 vs 3-0
UD
WIN
vs Aaron Devlin
Chaos FC 15· Dec 5, 2015· Featherweight· 4-1 vs 3-1
MD
LOSS
vs Eoghan Drumgoole
Battle Zone FC 13· Jun 6, 2015· Featherweight· 4-0 vs 3-0
SD
WIN
vs Marcin Zembala
UXC Fight Night 3· May 2, 2015· Featherweight· 3-0 vs 2-4
TKO
WIN
vs Thomas Moore
Ryoshin FC 7· Apr 11, 2015· Featherweight· 2-0 vs 0-1
SUB
WIN
vs Damien Sneyd
Rumble in Rush 11· Feb 28, 2015· Featherweight· 1-0 vs 0-0
SUB
WIN
vs Noah Rahmanov
Ryoshin FC 6· Nov 8, 2014· Bantamweight· 0-0 vs 0-0
TKO

Career history data via Tapology.

UFCalendar Power Index rating

Current: 1612▼70
Peak: 1682Feb 21, 2026
Rated fights: 6

See the full Power Index →

Frequently asked questions

When does Alexander O'Sullivan fight next?

Alexander O'Sullivan has no confirmed upcoming fight.

What is Alexander O'Sullivan's record?

Alexander O'Sullivan's professional MMA record is 5-1-0.

Who is Alexander O'Sullivan fighting next?

Alexander O'Sullivan's next opponent has not been announced.

How many knockouts does Alexander O'Sullivan have?

Alexander O'Sullivan has 1 win by KO/TKO and 2 wins by submission.

How tall is Alexander O'Sullivan?

Alexander O'Sullivan is 5'9" (175 cm) tall.

Where is Alexander O'Sullivan from?

Alexander O'Sullivan is from Ireland.

CAREER SUMMARY