People — J
Jan Kal
b. 1946
poet
Jan Kaláb
b. 1978
painter
Jan Kalabiška
b. 1986
association football player
Jan Kalenec
1490 – 1546
knife maker
Jan Kalicki
1922 – 1953
mathematician
Jan Kalinowski
1857 – 1941
naturalist
Jan Kališ
1930 – 2003
cinematographer
Jan Kalivoda
1801 – 1866
violinist
Jan Kallenbach
1943 – 2021
karateka
Jan Källqvist
b. 1958
tennis player
Jan Kałusowski
b. 2000
swimmer
Jan Kalvoda
b. 1953
politician
Jan Kameník
b. 1982
association football player
Jan Kamiński
b. 1992
equestrian
Jan Kamp
1862 – 1924
writer
Jan Kamphuysen
1760 – 1841
painter
Jan Kan
1873 – 1947
association football player
Jan Káňa
b. 1992
ice hockey player
Jan Káňa
b. 1990
ice hockey player
Jan Kanthak
b. 1991
jurist
Jan Kantůrek
1948 – 2018
linguist
Jan Kanty Fontana
1731 – 1800
architect
Jan Kanty Julian Sierawski
1777 – 1849
military officer
Jan Kanty Lorek
1886 – 1967
Catholic priest
Jan Kanty Moszyński
politician
Jan Kanty Pawluśkiewicz
b. 1942
composer
Jan Kanty Steczkowski
1862 – 1929
politician
Jan Kanty Zamoyski
1900 – 1961
Jan Kapela
b. 1984
poet
Jan Kapela
1931 – 1987
politician
Ján Kapko
b. 1960
association football player
Jan Kaplický
1937 – 2009
architect
Jan Kappeyne van de Coppello
1822 – 1895
lawyer
Jan Kapr
1914 – 1988
composer
Jan Kapras
1880 – 1947
historian
Jan Karafiát
1846 – 1929
writer
Jan Karafiát
gymnast
Jan Karaś
b. 1959
association football player
Jan Karaszewicz-Tokarzewski
1885 – 1954
diplomat
Jan Karcz
1892 – 1943
military officer
Jan Kåre Hystad
b. 1955
jazz musician
Jan Karel
canoeist
Jan Karel Donatus van Beecq
1638 – 1722
painter
Jan Karel Lenstra
b. 1947
mathematician
Jan Karel van den Broek
1814 – 1865
physician
Jan Karel van Goltstein
1794 – 1872
politician
Jan Karlin
b. 1954
record producer
Jan Karlseder
molecular biologist
Jan Karlsson
1940 – 2019
association football player
Jan Karlsson
b. 1945
amateur wrestler
Jan Karlsson
b. 1966
sport cyclist
Jan Karnkowski
1428 – 1503
Jan Karnowski
1886 – 1939
writer
Jan Karol Chodkiewicz
1560 – 1621
diplomat
Jan Karol Czolański
Catholic priest
Jan Karol Dolski
1637 – 1695
Jan Karol Lesiak
1913 – 1946
association football player
Jan Karol Opaliński
1642 – 1695
Jan Karol Tarło
1590 – 1645
Jan Karon
b. 1937
writer
Jan Karski
1914 – 2000
jurist
Jan Karsten
b. 2008
chess player
Jan Kårström
b. 1944
amateur wrestler
Jan Karwecki
1949 – 2019
association football player
Jan Kasielski
1954 – 2013
luger
Jan Kasl
b. 1951
politician
Jan Kašpar
1883 – 1927
aircraft pilot
Jan Kasper
1932 – 2005
ice hockey player
Jan Kasprowicz
1860 – 1926
poet
Jan Kauder
1931 – 1990
association football player
Jan Kaus
b. 1971
writer
Jan Kauzik
1860 – 1930
painter
Jan Kavan
b. 1946
politician
Jan Kavan
1905 – 1986
sculptor
Jan Kawulok
1946 – 2021
Nordic combined skier
Jan Kaye
b. 1996
association football player
Jan Kazimierz Chodkiewicz
1616 – 1660
Jan Kazimierz Danysz
1884 – 1914
physicist
Jan Kazimierz Denhoff
1649 – 1697
Catholic priest
Jan Kazimierz Krasiński
1607 – 1669
diplomat
Jan Kazimierz Sapieha the Elder
1675 – 1730
diplomat
Jan Kazimierz Sapieha the Younger
1637 – 1720
diplomat
Jan Kazimierz Umiastowski
politician
Jan Kazimierz Wilczyński
1806 – 1885
physician
Jan Kees de Jager
b. 1969
politician
Jan Kefer
1906 – 1941
journalist
Jan Keizer
b. 1949
singer
Jan Keizer
1940 – 2024
association football referee
Jan Keller
b. 1955
politician
Ján Kellner
1912 – 1941
Jan Kemp
1872 – 1946
politician
Jan Kemp
1949 – 2008
academic
Jan Kemp
b. 1949
poet
Jan Kemper
b. 1980
manager
Ján Kerekréti
1943 – 2026
politician
Ján Kermiet
b. 1963
athlete
Jan Kerouac
1952 – 1996
writer
Jan Kessinger
b. 1951
politician
Jan Ketelaar
1908 – 2001
chemist
Jan Keunen
b. 1954
politician