PLAYER
POS
DOB
CLUB
SINCE
AO
Andres Oper
FW
07.11.1977 (49)
EstoniaRetired
—
KO
Khoren Oganesian
MF
10.01.1955 (71)
ArmeniaRetired
—
SO
Sölvi Ottesen
DF
18.02.1984 (42)
IcelandRetired
—
MO
Mislav Oršić
MF
29.12.1992 (34)
Croatia
Pafos2025
EO
Emmanuel Olisadebe
FW
22.12.1978 (48)
PolandRetired
—
AO
Alexandru Onică
MF
25.07.1984 (42)
MoldovaRetired
—
DO
Darren O'Dea
DF
04.02.1987 (39)
IrelandRetired
—
O
Otávio
MF
09.02.1995 (31)
Portugal
Al-Qadsiah2025
RO
Rubin Okotie
FW
06.06.1987 (39)
AustriaRetired
—
AO
Adnan Oçelli
DF
06.08.1963 (63)
AlbaniaRetired
—
JO
Jores Okore
DF
11.08.1992 (34)
Denmark B.932024
TO
Tomáš Oravec
FW
03.07.1980 (46)
SlovakiaRetired
—
PO
Perica Ognjenović
FW
24.02.1977 (49)
SerbiaRetired
—
MO
Marvin Ogunjimi
FW
12.10.1987 (39)
BelgiumRetired
—
NO
Nicolas Ouédec
FW
28.10.1971 (55)
FranceRetired
—
PO
Peter O'Sullivan
MF
04.03.1951 (75)
WalesRetired
—
FO
Frank Ordenewitz
FW
25.03.1965 (61)
GermanyRetired
—
OO
Ohi Omoijuanfo
FW
10.01.1994 (32)
Norway
Changchun Yatai2025
OO
Ognjen Ožegović
FW
09.06.1994 (32)
Serbia
Atromitos2025
O
Orlando Sá
FW
26.05.1988 (38)
PortugalRetired
—
AO
Adnan Orahovac
DF
05.02.1991 (35)
Montenegro
Customs United2022
AO
Alain Oyarzun
MF
27.09.1993 (33)
Spain
Rajasthan United2024
AO
Andrea Orlandi
MF
03.08.1984 (42)
SpainRetired
—
AO
Artem Odintsov
GK
09.11.2000 (26)
Ukraine
Andijon2025
AO
Ayo Obileye
DF
02.09.1994 (32)
EnglandFree Agent
—
CO
Charlie Owens
DF
07.12.1997 (29)
Northern Ireland
Palm City2024
CO
Cosmin Olăroiu
DF
10.06.1969 (57)
RomaniaRetired
—
DO
Deabeas Owusu-Sekyere
FW
04.11.1999 (27)
Netherlands Shenzhen Peng City2026
EO
Emir Obuća
FW
11.12.1978 (48)
Bosnia and HerzegovinaRetired
—
EO
Evgheni Oancea
MF
05.01.1996 (30)
MoldovaFree Agent
—
FO
Florent Ogier
DF
21.03.1989 (37)
FranceFree Agent
—