People — J
Jan Kooi
1849 – 1895
military personnel
Jan Koopmans
1905 – 1945
Protestant theologian
Jan Koops
b. 1941
association football player
Jan Kopecký
b. 1982
rally driver
Jan Kopic
b. 1990
association football player
Jan Kopp
b. 1970
artist
Jan Kops
1765 – 1849
botanist
Jan Kopyto
b. 1934
javelin thrower
Jan Korbel
b. 1975
researcher
Jan Korejs
1907 – 1949
pole vaulter
Jan Kořenský
1937 – 2022
linguist
Jan Korger
1937 – 2016
politician
Ján Koristek
b. 1996
skier
Jan Korringa
1915 – 2015
theoretical physicist
Jan Korte
b. 1956
association football player
Jan Korte
b. 1977
politician
Jan Kosak
b. 1992
association football player
Jan Košek
1884 – 1927
association football player
Jan Košek
1914 – 1979
ice hockey player
Jan Kosi
b. 1996
basketball player
Jan Kossowski
1898 – 1958
architect
Jan Košťál
b. 1980
ice hockey player
Jan Košťálek
b. 1995
ice hockey player
Jan Koster
b. 1945
linguist
Jan Kostka
1529 – 1581
beamter
Jan Kostrba
1910 – 1969
weightlifter
Jan Kostrhun
1942 – 2022
politician
Jan Koszczyc Witkiewicz
1881 – 1958
architect
Jan Kotěra
1871 – 1923
architect
Jan Kotik
1916 – 2002
painter
Jan Kotlarczyk
1903 – 1966
association football player
Jan Kotouč
b. 1987
writer
Jan Kotrč
1862 – 1943
chess player
Jan Kott
1914 – 2001
literary historian
Jan Koudelka
b. 1992
association football player
Jan Koukal
b. 1983
squash player
Jan Koukal
b. 1951
diplomat
Jan Koum
b. 1976
engineer
Jan Kounen
b. 1964
actor
Jan Koutný
1897 – 1976
artistic gymnast
Jan Koutný
b. 2004
association football player
Jan Kouwenhoven
b. 1965
sailor
Jan Kovář
b. 1990
ice hockey player
Jan Kovařík
b. 1988
association football player
Jan Kowal
b. 1967
ski jumper
Jan Kowalczyk
1941 – 2020
show jumper
Jan Kowalewski
1892 – 1965
military officer
Jan Kowalski
1916 – 2000
military officer
Jan Kozák
1929 – 2016
basketball coach
Ján Kozák
b. 1980
association football player
Ján Kozák
b. 1954
association football player
Jan Kozakiewicz
b. 1996
swimmer
Jan Kozamernik
b. 1995
volleyball player
Jan Koželuh
1904 – 1979
tennis player
Ján Kožiak
b. 1978
association football player
Jan Kozietulski
1781 – 1821
military officer
Jan Koźmian
1812 – 1877
writer
Jan Kracik
1941 – 2014
historian
Jan Kraeck
1540 – 1607
painter
Jan Krajenbrink
1941 – 2020
politician
Jan Krajíček
b. 1971
ice hockey player
Jan Král
b. 1999
association football player
Jan Králík
b. 1987
association football player
Jan Kralj
b. 1995
snowboarder
Jan Krámek
1945 – 2026
politician
Jan Kramer
1913 – 1997
rower
Jan Krasicki
1919 – 1943
politician
Jan Krasiński
1756 – 1790
Jan Krásl
1899 – 1980
ice hockey player
Jan Krasnowolski
b. 1972
writer
Jan Krasoń
1933 – 2015
geologist
Jan Kratochvíl
b. 1959
computer scientist
Jan Kraus
amateur wrestler
Jan Kraus
b. 1953
actor
Jan Kraus
b. 1979
association football player
Jan Kraus
b. 1993
sport cyclist
Jan Krautwurm
1882 – 1942
anti-fascist
Jan Krawczyk
1956 – 2018
sport cyclist
Jan Krawiec
1919 – 2020
writer
Jan Kreczmar
1908 – 1972
stage actor
Jan Kregel
b. 1944
economist
Jan Kreisinger
b. 1984
marathon runner
Jan Krejčí
b. 1992
chess player
Jan Krejčí
1825 – 1887
geologist
Jan Krekels
b. 1947
sport cyclist
Jan Křen
1930 – 2020
pedagogue
Jan Krenz
1926 – 2020
conductor
Jan Křesadlo
1926 – 1995
writer
Jan Kriege
1884 – 1944
sculptor
Jan Krissler
b. 1950
computer scientist
Jan Krist
singer-songwriter
Jan Kristian Fjærestad
b. 1963
association football player
Jan Kristiansen
1934 – 2023
speed skater
Jan Kristiansen
b. 1981
association football player
Ján Krivák
b. 1993
association football player
Jan Křivohlávek
b. 1991
ice hockey player
Jan Kříženecký
1868 – 1921
director
Jan Krob
b. 1987
association football player
Jan Krogh Jensen
1958 – 1996
Gangster
Jan Krol
1962 – 2023
actor