PLAYER
POS
DOB
CLUB
SINCE
MO
Michael Owen
FW
14.12.1979 (47)
EnglandRetired
—
AO
Alex Oxlade-Chamberlain
MF
15.08.1993 (33)
England
Celtic2026
CO
Callum O'Dowda
FW
23.04.1995 (31)
Ireland
Ferencváros2025
AO
Andy O'Brien
DF
29.06.1979 (47)
IrelandRetired
—
PO
Peter Ollerton
FW
20.05.1951 (75)
AustraliaRetired
—
MO
Majed Osman
MF
09.06.1994 (32)
Lebanon
Persik Kediri2024
RO
Russell Osman
DF
14.02.1959 (67)
EnglandRetired
—
JO
Jordan Obita
DF
08.12.1993 (33)
Uganda Hibernian2023
JO
Jerome Opoku
DF
13.10.1998 (28)
Ghana
İstanbul Başakşehir2024
MO
Matt O'Riley
MF
21.11.2000 (26)
Denmark
Olympique de Marseille2025 (Loan)
RO
Richard O'Connor
FW
30.08.1978 (48)
AIAAnguilla
Retired
—
AO
Aiden O'Brien
FW
04.10.1993 (33)
Ireland Working2025
LO
Lloyd Owusu
FW
12.12.1976 (50)
GhanaRetired
—
PO
Peter Osgood
FW
20.02.1947 (†)
EnglandDeceased
—
GO
Gabriel Osho
DF
14.08.1998 (28)
Nigeria
Cardiff City2025
JO
Joe O'Cearuill
DF
09.02.1987 (39)
IrelandRetired
—
JO
Jubril Okedina
DF
26.10.2000 (26)
Malawi Bohemians2025
JO
Justin Obikwu
FW
08.02.2004 (22)
Trinidad and Tobago Queens Park Rangers2026
KO
Kieran O'Hara
GK
22.04.1996 (30)
Ireland Dundee2025
LO
Leon Osman
MF
17.05.1981 (45)
EnglandRetired
—
MO
Martin O'Connor
MF
12.10.1967 (59)
Cayman IslandsRetired
—
MO
Maxi Oyedele
DF
07.11.2004 (22)
Poland RC Strasbourg2025
NO
Nico O'Reilly
MF
21.03.2005 (21)
England Manchester City2024
AO
Arthur Okonkwo
GK
09.09.2001 (25)
Nigeria Wrexham2024
MO
Max O'Leary
GK
10.10.1996 (30)
Ireland West Bromwich Albion2026
AO
Ademola Ola-Adebomi
FW
03.09.2003 (23)
England
WSG Tirol2025
AO
Aston Oxborough
GK
09.05.1998 (28)
England Dunfermline Athletic2026 (Loan)
AO
Ayo Obileye
DF
02.09.1994 (32)
EnglandFree Agent
—
BO
Ben Osborn
MF
05.08.1994 (32)
England Stockport County2025 (Loan)
BO
Benjamin Odeje
FW
01.01.1955 (71)
EnglandRetired
—
BO
Billy O'Brien
GK
21.11.1995 (31)
WalesRetired
—
BO
Brandon Ormonde-Ottewill
DF
21.12.1995 (31)
England Puskás Akadémia2022
CO
Callum O'Hare
MF
01.05.1998 (28)
England Sheffield United2024
CO
Charlie Owens
DF
07.12.1997 (29)
Northern Ireland
Palm City2024
CO
Chido Obi
FW
29.11.2007 (19)
Denmark Manchester United2025
CO
Connor O'Riordan
DF
19.10.2003 (23)
Ireland Doncaster Rovers2025 (Loan)
CO
Connor Ogilvie
DF
14.02.1996 (30)
England Portsmouth2021
CO
Corey O'Keeffe
DF
05.06.1998 (28)
Ireland Stockport County2025 (Loan)
DO
Daniel Oyegoke
DF
03.01.2003 (23)
England Hearts2024
DO
Darragh O'Connor
DF
05.08.1999 (27)
Ireland Raith Rovers2025 (Loan)
DO
David O'Leary
DF
02.05.1958 (68)
IrelandRetired
—
DO
David Olaoye
FW
18.10.1996 (30)
England
Akragas2024
EO
Erhun Oztumer
MF
29.05.1991 (35)
England
Doğan Türk Birliği2025
EO
Eric Odhiambo
FW
12.05.1989 (37)
EnglandRetired
—
GO
George Oakley
FW
18.11.1995 (31)
England Ayr United2024
GO
Greg Olley
MF
02.02.1996 (30)
England York City2025
HO
Hakeem Odoffin
DF
13.04.1998 (28)
England Luton Town2025
IO
Isaac Osbourne
MF
22.06.1986 (40)
EnglandRetired
—
JO
Jack O'Connell
DF
29.03.1994 (32)
EnglandRetired
—
JO
John Oster
MF
08.12.1978 (48)
WalesRetired
—