PLAYER
POS
DOB
CLUB
SINCE
IO
Ivica Olić
FW
14.09.1979 (47)
CroatiaRetired
—
MO
Morten Olsen
DF
14.08.1949 (77)
DenmarkRetired
—
HO
Henrik Ojamaa
FW
20.05.1991 (35)
Estonia Paide Linnameeskond2024
WO
Willi Orbán
DF
03.11.1992 (34)
Hungary
RB Leipzig2015
DO
Dani Olmo
MF
07.05.1998 (28)
Spain Barcelona2024
BO
Branko Oblak
MF
27.05.1947 (79)
SloveniaRetired
—
PO
Pétur Ormslev
MF
28.07.1958 (68)
IcelandRetired
—
MO
Mathias Olesen
DF
21.03.2001 (25)
Luxembourg
Grazer AK2026 (Loan)
LO
Ludovic Obraniak
MF
10.11.1984 (42)
PolandRetired
—
MO
Massimo Oddo
MF
14.06.1976 (50)
ItalyRetired
—
LO
Loïs Openda
FW
16.02.2000 (26)
Belgium Juventus2025 (Loan)
DO
Divock Origi
FW
18.04.1995 (31)
BelgiumFree Agent
—
MO
Mirosław Okoński
FW
08.12.1958 (68)
PolandRetired
—
AO
Amadou Onana
MF
16.08.2001 (25)
Belgium
Aston Villa2024
KO
Karim Onisiwo
FW
17.03.1992 (34)
Austria Red Bull Salzburg2025
DO
Daniel O'Shaughnessy
DF
14.09.1994 (32)
Finland HJK Helsinki2024
JO
Jan Olsson
MF
17.03.1944 (†)
SwedenDeceased
—
RO
Rubin Okotie
FW
06.06.1987 (39)
AustriaRetired
—
GO
Gábor Obitz
MF
18.01.1899 (†)
HungaryDeceased
—
VO
Viktoras Olšanskis
MF
14.03.1969 (57)
LithuaniaRetired
—
PO
Paweł Olkowski
DF
13.02.1990 (36)
Poland Górnik Zabrze2022
DO
Denys Oliynyk
MF
16.06.1987 (39)
UkraineRetired
—
IO
Ivan Ordets
DF
08.07.1992 (34)
UkraineFree Agent
—
AO
Adnan Oçelli
DF
06.08.1963 (63)
AlbaniaRetired
—
MO
Michael Obafemi
FW
06.06.2000 (26)
Ireland Blackpool2026 (Loan)
MO
Mika Ojala
MF
21.06.1988 (38)
FinlandRetired
—
FO
Franz Oberacher
FW
24.03.1954 (72)
AustriaRetired
—
PO
Perica Ognjenović
FW
24.02.1977 (49)
SerbiaRetired
—
MO
Milan Obradović
DF
03.08.1977 (49)
SerbiaRetired
—
JO
Justin Ospelt
GK
07.09.1999 (27)
Liechtenstein Sportfreunde Siegen2025
NO
Nik Omladič
MF
21.08.1989 (37)
Slovenia Koper2023
VO
Vadis Odjidja-Ofoe
DF
02.02.1989 (37)
BelgiumRetired
—
JO
Jonas Omlin
GK
10.01.1994 (32)
Switzerland Bayer Leverkusen2026 (Loan)
MO
Michael Omosanya
FW
15.12.1999 (27)
Luxembourg Olympique Charleroi2026 (Loan)
ÁO
Álvaro Odriozola
DF
14.12.1995 (31)
Spain Real Sociedad2023
AO
Adis Obad
FW
12.05.1971 (55)
Bosnia and HerzegovinaRetired
—
FO
Filip Oršula
FW
25.02.1993 (33)
Slovakia Petržalka2022
AO
Alen Orman
DF
31.05.1978 (48)
AustriaRetired
—
DO
Dimitri Oberlin
FW
27.09.1997 (29)
Switzerland
Sepsi OSK2024
EO
Ernst Ogris
FW
09.12.1967 (†)
AustriaDeceased
—
MO
Mariyan Ognyanov
FW
30.07.1988 (38)
Bulgaria Kom2025
MO
Miki Orachev
DF
19.03.1996 (30)
Bulgaria Lokomotiv Sofia2024
OO
Ognjen Ožegović
FW
09.06.1994 (32)
Serbia
Atromitos2025
AO
Alen Ožbolt
FW
24.06.1996 (30)
Slovenia Levadiakos2024
AO
Angelos Oikonomou
MF
23.08.1995 (31)
Greece AEL2024
BO
Brian O'Neil
MF
06.09.1972 (54)
ScotlandRetired
—
CO
Casper Olesen
FW
10.05.1996 (30)
Denmark Weiche Flensburg 082019
DO
Denis Omerbegović
FW
11.03.1986 (40)
Bosnia and HerzegovinaRetired
—
DO
Denis Osadchenko
DF
11.05.1990 (36)
UkraineRetired
—