PLAYER
POS
DOB
CLUB
SINCE
DK
Daniel Kaufmann
MF
22.12.1990 (36)
LiechtensteinRetired
—
KK
Köbi Kuhn
MF
12.10.1943 (†)
SwitzerlandDeceased
—
MK
Marcel Koller
MF
11.11.1960 (66)
SwitzerlandRetired
—
ZK
Zdravko Kuzmanović
MF
22.09.1987 (39)
SerbiaRetired
—
FK
Fritz Künzli
FW
08.01.1946 (†)
SwitzerlandDeceased
—
HK
Hekuran Kryeziu
MF
12.02.1993 (33)
KosovoRetired
—
JK
Joël Kiassumbua
GK
06.04.1992 (34)
DR Congo Stade Nyonnais2025
BK
Benjamin Kololli
DF
15.05.1992 (34)
Kosovo Basel2024
LK
Leopold Kielholz
FW
09.06.1911 (†)
SwitzerlandDeceased
—
TK
Timm Klose
DF
09.05.1988 (38)
SwitzerlandRetired
—
K
Kusunga
DF
12.03.1988 (38)
AngolaRetired
—
AK
Adrian Kunz
FW
07.07.1967 (59)
SwitzerlandRetired
—
GK
Gregor Kobel
GK
06.12.1997 (29)
Switzerland
Borussia Dortmund2021
PK
Pajtim Kasami
MF
02.06.1992 (34)
SwitzerlandFree Agent
—
EK
Edmond Kramer
FW
08.12.1906 (†)
SwitzerlandDeceased
—
MK
Mirlind Kryeziu
DF
26.01.1997 (29)
Kosovo Winterthur2026
MK
Michael Kempter
DF
12.06.1995 (31)
Philippines
Muangthong United2025
BK
Berkan Kutlu
MF
25.01.1998 (28)
Turkey Konyaspor2026
GK
Georges Kramer
FW
27.11.1898 (†)
SwitzerlandDeceased
—
TK
Terence Kongolo
DF
14.02.1994 (32)
Netherlands
Iberia 19992026
SK
Stephan Keller
DF
31.05.1979 (47)
SwitzerlandRetired
—
SK
Salim Khelifi
MF
26.01.1994 (32)
TunisiaRetired
—
DK
Dereck Kutesa
MF
06.12.1997 (29)
Switzerland
AEK2025
EK
Eman Košpo
DF
17.05.2007 (19)
Bosnia and Herzegovina
Fiorentina2025
JK
Jetmir Krasniqi
DF
01.01.1995 (31)
Kosovo Bellinzona2024
AK
Aaron Keller
FW
15.05.2004 (22)
Switzerland Greuther Fürth2025
AK
Adrian Knup
FW
02.07.1968 (58)
SwitzerlandRetired
—
AK
Albin Krasniqi
FW
06.04.2003 (23)
Switzerland
Wacker Innsbruck [2002]2026 (Loan)
AK
Alessandro Kräuchi
MF
03.06.1998 (28)
Switzerland Vaduz2023
AK
Arian Kabashi
DF
26.09.1996 (30)
Kosovo
Botev Vratsa2025
AK
Astor Kilezi
MF
06.05.1996 (30)
Switzerland Besa Biel/Bienne2024
BK
Baykal Kulaksızoğlu
MF
12.05.1983 (43)
SwitzerlandRetired
—
BK
Bledian Krasniqi
MF
17.06.2001 (25)
Kosovo FC Zürich2018
CK
Cendrim Kameraj
MF
13.03.1999 (27)
KosovoRetired
—
CK
Chris Kablan
DF
30.11.1994 (32)
Switzerland FC Zürich2026
DK
Darije Kalezić
DF
01.11.1969 (57)
Bosnia and HerzegovinaRetired
—
DK
Dion Kacuri
MF
11.02.2004 (22)
Switzerland Yverdon-Sport2024 (Loan)
FK
Florian Kamberi
MF
08.03.1995 (31)
Albania Rapperswil-Jona2025
FK
Franz König
FW
07.05.1874 (†)
SwitzerlandDeceased
—
FK
Fritz Kehl
DF
12.07.1937 (89)
SwitzerlandRetired
—
GK
Gaëtan Karlen
FW
07.06.1993 (33)
SwitzerlandFree Agent
—
GK
Goran Karanović
FW
13.10.1987 (39)
SwitzerlandRetired
—
GK
Grégory Karlen
FW
30.01.1995 (31)
SwitzerlandFree Agent
—
HK
Henri Koide
FW
06.04.2001 (25)
Switzerland Aarau2023
IK
Ivan Knez
DF
21.07.1974 (52)
SwitzerlandRetired
—
JK
Jan Kaye
FW
29.01.1996 (30)
Switzerland Onex2023
JK
Jan Kronig
DF
24.06.2000 (26)
Switzerland Sion2024
JK
Janick Kamber
DF
26.02.1992 (34)
Switzerland Mümliswil2021
JK
Johan Kury
FW
07.10.2001 (25)
Rwanda Yverdon-Sport2022
K
Keyan Varela
MF
26.04.2006 (20)
Portugal Greuther Fürth2026 (Loan)