PLAYER
POS
DOB
CLUB
SINCE
DO
David Ospina
GK
31.08.1988 (38)
Colombia Atlético Nacional2024
NO
Nicolás Otamendi
DF
12.02.1988 (38)
Argentina
Benfica2020
SO
Shinji Okazaki
FW
16.04.1986 (40)
JapanRetired
—
JO
John O'Shea
DF
30.04.1981 (45)
IrelandRetired
—
JO
John Obi Mikel
MF
22.04.1987 (39)
NigeriaRetired
—
BO
Bryan Oviedo
DF
18.02.1990 (36)
Costa Rica Alajuelense2024
RO
Robin Olsen
GK
08.01.1990 (36)
Sweden Malmö FF2025
JO
Jay-Jay Okocha
MF
14.08.1973 (53)
NigeriaRetired
—
KO
Kenneth Omeruo
DF
17.10.1993 (33)
NigeriaFree Agent
—
OO
Oguchi Onyewu
DF
13.05.1982 (44)
United StatesRetired
—
AO
Abdeslam Ouaddou
DF
01.11.1978 (48)
MoroccoRetired
—
SO
Salomon Olembé
MF
08.12.1980 (46)
CameroonRetired
—
HO
Henrik Ojamaa
FW
20.05.1991 (35)
Estonia Paide Linnameeskond2024
PO
Peter Odemwingie
FW
15.07.1981 (45)
NigeriaRetired
—
JO
Jayce Olivero
DF
02.07.1998 (28)
Gibraltar St. Joseph's2024
MO
Martin Olsson
DF
17.05.1988 (38)
Sweden Malmö FF2021
AO
André Ooijer
DF
11.07.1974 (52)
NetherlandsRetired
—
AO
André Onana
GK
02.04.1996 (30)
Cameroon
Trabzonspor2025 (Loan)
VO
Victor Obinna
FW
25.03.1987 (39)
NigeriaRetired
—
SO
Seyi Olofinjana
MF
12.06.1980 (46)
NigeriaRetired
—
O
Oscar
MF
09.09.1991 (35)
BrazilRetired
—
KO
Kristoffer Olsson
MF
30.06.1995 (31)
SwedenFree Agent
—
PO
Prince Oniangué
DF
11.04.1988 (38)
CongoRetired
—
JO
Jesper Olsen
MF
20.03.1961 (65)
DenmarkRetired
—
FO
Frank Onyeka
MF
01.01.1998 (28)
Nigeria
Brentford2021
DO
Dango Ouattara
FW
11.02.2002 (24)
Burkina Faso Brentford2025
BO
Bright Osayi-Samuel
MF
31.12.1997 (29)
Nigeria Birmingham City2025
DO
Divock Origi
FW
18.04.1995 (31)
BelgiumFree Agent
—
CO
Callum O'Dowda
FW
23.04.1995 (31)
Ireland
Ferencváros2025
PO
Paul Onuachu
FW
28.05.1994 (32)
Nigeria Trabzonspor2025
TO
Tommy Oar
MF
10.12.1991 (35)
AustraliaRetired
—
PO
Paul Okon
DF
05.04.1972 (54)
AustraliaRetired
—
PO
Pedro Obiang
MF
27.03.1992 (34)
Equatorial Guinea
Monza2025
AO
Amadou Onana
MF
16.08.2001 (25)
Belgium Aston Villa2024
MO
Mislav Oršić
MF
29.12.1992 (34)
Croatia
Pafos2025
PO
Peter Ollerton
FW
20.05.1951 (75)
AustraliaRetired
—
AO
Andy O'Brien
DF
29.06.1979 (47)
IrelandRetired
—
CO
Chinedu Obasi
FW
01.06.1986 (40)
NigeriaRetired
—
IO
Isaac Okoronkwo
DF
01.05.1978 (48)
NigeriaRetired
—
AO
Aiden O'Neill
MF
04.07.1998 (28)
Australia New York City FC2025
EO
Emmanuel Olisadebe
FW
22.12.1978 (48)
PolandRetired
—
JO
Jonas Olsson
DF
10.03.1983 (43)
SwedenRetired
—
DO
Daniel O'Shaughnessy
DF
14.09.1994 (32)
Finland HJK Helsinki2024
SO
Stephen O'Donnell
DF
11.05.1992 (34)
Scotland Motherwell2020
NO
Noah Okafor
MF
24.05.2000 (26)
Switzerland Leeds United2025
DO
Darren O'Dea
DF
04.02.1987 (39)
IrelandRetired
—
DO
Dara O'Shea
DF
04.03.1999 (27)
Ireland Ipswich Town2024
MO
Maduka Okoye
GK
28.08.1999 (27)
Nigeria Udinese2023
QO
Quincy Owusu-Abeyie
FW
15.04.1986 (40)
GhanaRetired
—
SO
Steven Old
DF
17.02.1986 (40)
New ZealandRetired
—