Namesakes
Adolf Anderssen
(a.k.a. Karl) (m) 1818-1879 
Notable Athletes (chess)
Adolf Deucher
(a.k.a. Karl) (m) 1831-1912
Swiss Presidents 1886; 1897; 1903; 1909
Adolf Loos
(a.k.a. Karl) (m) 1870-1933
Notable Artists
Adolf von Harnack
(a.k.a. Karl) (m) 1851-1930
Notable Philosophers and Thinkers
Adolphe, Grand Duke of Luxembourg
(a.k.a. Karl) (m) 1817-1905
Other Royalty 1890-1905 Luxembourg (grand duke)
Alasdair Strokosch
(a.k.a. Karl) (m) 1983-
Notable Athletes (rugby)
Alexander Ferdinand of Prussia
(a.k.a. Karl) (m) 1912-1985
Other Royalty 1912-1985 Prussia (prince)
Bernhard of Lippe-Biesterfeld
(a.k.a. Karl) (m) 1911-2004
Other Royalty 1948-1980 Netherlands (prince consort)
Bernhard von Bülow
(a.k.a. Karl) (m) 1849-1929
German Chancellors and Presidents 1900-1909 (chancellor)
Carl XVI Gustaf
(a.k.a. Karl) (m) 1946-
Swedish Kings and Queens 1973-
Carl Benz
(a.k.a. Karl) (m) 1844-1929
Notable Businesspeople
Notable Scientists and Inventors
Carl Friedrich Gauss
(a.k.a. Karl) (m) 1777-1855
Notable Philosophers and Thinkers
Notable Scientists and Inventors
Carl Ritter
(a.k.a. Karl) (m) 1779-1859
Notable Philosophers and Thinkers
Carl Adolph von Plessen
(a.k.a. Karl) (m) 1678-1758
Notable Politicians and Statespeople
Carlos I
(a.k.a. Karl) (m) 1500-1558
Spanish Kings and Queens 1516-1556
Charles the Fat
(a.k.a. Karl) (m) 839-888
Frankish and French Kings 884-887
Diedrich Bader
(a.k.a. Karl) (m) 1966-
Notable Actors and Entertainers (actor)
Eitel Friedrich of Prussia
(a.k.a. Karl) (m) 1883-1942
Other Royalty 1883-1942 Prussia (prince)
Emil Jönsson
(a.k.a. Karl) (m) 1985-
Olympic Medalists 2014 cross-country skiing (bronze)
Ferdinand I
(a.k.a. Karl) (m) 1793-1875
Austrian Dukes and Emperors 1835-1848
Bohemian Kings (Ferdinand V) 1835-1848
Hungarian Kings and Queens (Ferdinánd V) 1835-1848
Ferenc
(a.k.a. Karl) (m) 1768-1835
Hungarian Kings and Queens 1792-1835
Ferenc József I
(a.k.a. Karl) (m) 1830-1916
Hungarian Kings and Queens 1848-1916
František
(a.k.a. Karl) (m) 1768-1835
Bohemian Kings 1792-1835
František Josef I
(a.k.a. Karl) (m) 1830-1916
Bohemian Kings 1848-1916
Franz I
(a.k.a. Karl) (m) 1768-1835
Austrian Dukes and Emperors 1792-1835
German Kings and Holy Roman Emperors (Franz II) 1792-1806
Franz Joseph I
(a.k.a. Karl) (m) 1830-1916
Austrian Dukes and Emperors 1848-1916
Franz I, Prince of Liechtenstein
(a.k.a. Karl) (m) 1853-1938
Other Royalty 1929-1938 Liechtenstein (prince)
Franz Joseph II, Prince of Liechtenstein
(a.k.a. Karl) (m) 1906-1989
Other Royalty 1938-1989 Liechtenstein (prince)
Freddie Prinze
(a.k.a. Karl) (m) 1954-1977
Notable Actors and Entertainers (actor/comedian)
Friedrich III
(a.k.a. Karl) (m) 1831-1888
Other Royalty 1888 German Empire; Prussia (emperor/king)
Gustav Knuth
(a.k.a. Karl) (m) 1901-1987
Notable Actors and Entertainers (actor)
Hans Asperger
(a.k.a. Karl) (m) 1906-1980
Notable Scientists and Inventors
Hans von Euler-Chelpin
(a.k.a. Karl) (m) 1873-1964
Nobel Prize Winners 1929 (chemistry)
Heinrich Lübke
(a.k.a. Karl) (m) 1894-1972
German Chancellors and Presidents 1959-1969 (president)
Hjalmar Branting
(a.k.a. Karl) (m) 1860-1925
Nobel Prize Winners 1921 (peace)
Swedish Prime Ministers 1920; 1921-1923; 1924-1925
Hubertus of Prussia
(a.k.a. Karl) (m) 1909-1950
Other Royalty 1909-1950 Prussia (prince)
Johann Nepomuk Karl, Prince of Liechtenstein
(m) 1724-1748
Other Royalty 1732-1748 Liechtenstein (prince)
Joris-Karl Huysmans
(m) 1848-1907
Notable Writers
Joseph Wirth
(a.k.a. Karl) (m) 1879-1956
German Chancellors and Presidents 1921-1922 (chancellor)
Kaarel Eenpalu
(a.k.a. Karl) (m) 1888-1942
Estonian Presidents and Prime Ministers 1932; 1938-1939 (state elder/prime minister)
Karel I
(a.k.a. Karl) (m) 1316-1378
Bohemian Kings 1346-1378
Karel II
(a.k.a. Karl) (m) 1685-1740
Bohemian Kings 1711-1740
Karel Albrecht
(a.k.a. Karl) (m) 1697-1745
Bohemian Kings 1741-1743
Karel III
(a.k.a. Karl) (m) 1887-1922
Bohemian Kings 1916-1918
Karl I the Great
(m) 742-814
German Kings and Holy Roman Emperors 800-814
Karl II the Bald
(m) 823-877
German Kings and Holy Roman Emperors 875-877
Karl III the Fat
(m) 839-888
German Kings and Holy Roman Emperors 876-887
Karl I (or VII)
(m) 1130-1167
Swedish Kings and Queens 1161-1167
Karl IV
(m) 1316-1378
German Kings and Holy Roman Emperors 1346-1378
Karl I
(m) 1409-1470
Norwegian Kings and Queens 1449-1450
Swedish Kings and Queens (Karl II (or VIII)) 1448-1457; 1464-1465; 1467-1470
Karl I
(m) 1500-1558
Austrian Dukes and Emperors 1519-1521
German Kings and Holy Roman Emperors (Karl V) 1519-1556
Karl IX
(m) 1550-1611
Swedish Kings and Queens 1604-1611
Karl I, Prince of Liechtenstein
(m) 1569-1627
Other Royalty 1608-1627 Liechtenstein (prince)
Karl Eusebius, Prince of Liechtenstein
(m) 1611-1684
Other Royalty 1627-1684 Liechtenstein (prince)
Karl X Gustav
(m) 1622-1660
Swedish Kings and Queens 1654-1660
Karl XI
(m) 1655-1697
Swedish Kings and Queens 1660-1697
Karl XII
(m) 1682-1718
Swedish Kings and Queens 1697-1718
Karl II
(m) 1685-1740
Austrian Dukes and Emperors 1711-1740
German Kings and Holy Roman Emperors (Karl VI) 1711-1740
Karl VII Albrecht
(m) 1697-1745
German Kings and Holy Roman Emperors 1742-1745
Karl II
(m) 1748-1818
Norwegian Kings and Queens 1814-1818
Swedish Kings and Queens (Karl XIII) 1809-1818
Karl III Johan
(m) 1763-1844
Norwegian Kings and Queens 1818-1844
Swedish Kings and Queens (Karl XIV Johan) 1818-1844
Karl IV
(m) 1826-1872
Norwegian Kings and Queens 1859-1872
Swedish Kings and Queens (Karl XV) 1859-1872
Karl I
(m) 1887-1922
Austrian Dukes and Emperors 1916-1918
Saints (Karl of Austria)
Karl Franz of Prussia
(m) 1916-1975
Other Royalty 1916-1975 Prussia (prince)
Karl
(m)
Hurricanes and Tropical Storms 1980 (hurricane)
Karl
(m)
Hurricanes and Tropical Storms 1998 (hurricane)
Karl
(m)
Hurricanes and Tropical Storms 2004 (hurricane)
Karl
(m)
Hurricanes and Tropical Storms 2010 (hurricane)
Karl
(m)
Hurricanes and Tropical Storms 2016 (storm)
Karl Ludwig of Liechtenstein
(m) 2016-
Other Royalty 2016- Liechtenstein (prince)
Karl
(m)
Hurricanes and Tropical Storms 2022 (storm)
Karl Bähre
(m) 1899-1960
Olympic Medalists 1928 water polo (gold)
Karl Barth
(m) 1886-1968
Notable Philosophers and Thinkers
Karl Bartos
(m) 1952-
Notable Musicians
Karl Ferdinand Braun
(m) 1850-1918
Nobel Prize Winners 1909 (physics)
Notable Scientists and Inventors
Karl Buresch
(m) 1878-1936
Austrian Chancellors and Presidents 1931-1932 (chancellor)
Karl Carstens
(m) 1914-1992
German Chancellors and Presidents 1979-1984 (president)
Karl Dönitz
(m) 1891-1980
Notable Military Figures
Karl Drais
(m) 1785-1851
Notable Scientists and Inventors
Karl-August Fagerholm
(m) 1901-1984
Finnish Presidents and Prime Ministers 1948-1950; 1956-1957; 1958-1959 (prime minister)
Karl Adolph Gjellerup
(m) 1857-1919
Nobel Prize Winners 1917 (literature)
Notable Writers
Karl-Friedrich Haas
(m) 1931-2021
Olympic Medalists 1952; 1956 4x400 m relay; 400 m (bronze/silver)
Karl Hein
(m) 1908-1982
Olympic Medalists 1936 hammer throw (gold)
Karl Kennedy
(m)
Fictional Characters from Television 1985 Neighbours
Karl Knies
(m) 1821-1898
Notable Philosophers and Thinkers
Karl Kobelt
(m) 1891-1968
Swiss Presidents 1946; 1952
Karl Lagerfeld
(m) 1933-2019
Notable Artists
Karl Landsteiner
(m) 1868-1943
Nobel Prize Winners 1930 (medicine)
Notable Scientists and Inventors
Karl Leisner
(m) 1915-1945
Saints
Karl Luther
(m) 1885-1962
Olympic Medalists 1912 4x100 m relay (silver)
Karl Malden
(m) 1912-2009
Notable Actors and Entertainers (actor)
Oscar Award Winners 1952 A Streetcar Named Desire (actor)
Karl Malmström
(m) 1875-1938
Olympic Medalists 1908 diving - platform (silver)
Karl Malone
(m) 1963-
Hall-of-Famers 2010 (basketball)
Most Valuable Players 1997; 1999 basketball
Notable Athletes (basketball)
Olympic Medalists 1992; 1996 basketball (gold)
Karl Marx
(m) 1818-1883
Notable Philosophers and Thinkers
Karl May
(m) 1842-1912
Notable Writers
Karl Mayer
(m)
Fictional Characters from Television 2004 Desperate Housewives
K. Alex Müller
(a.k.a. Karl) (m) 1927-2023
Nobel Prize Winners 1987 (physics)
Notable Scientists and Inventors
Karl Nehammer
(m) 1972-
Austrian Chancellors and Presidents 2021- (chancellor)
Karl Popper
(m) 1902-1994
Notable Philosophers and Thinkers
Karl Renner
(m) 1870-1950
Austrian Chancellors and Presidents 1918-1920; 1945; 1945-1950 (chancellor/president)
Karl Ruberl
(m) 1880-1966
Olympic Medalists 1900 swimming - 200 m backstroke; swimming - 200 m freestyle (silver/bronze)
Karl-Heinz Rummenigge
(m) 1955-
Notable Athletes (soccer)
Karl Schäfer
(m) 1909-1976
Notable Athletes (skating)
Olympic Medalists 1932 figure skating (gold)
Karl Schenk
(m) 1823-1895
Swiss Presidents 1865; 1871; 1874; 1878; 1885; 1893
Karl Scheurer
(m) 1872-1929
Swiss Presidents 1923
Karl Schulze
(m) 1988-
Olympic Medalists 2012 rowing (gold)
Karl Seitz
(m) 1869-1950
Austrian Chancellors and Presidents 1919-1920 (president)
Karl Barry Sharpless
(m) 1941-
Nobel Prize Winners 2001; 2022 (chemistry)
Karl Shiels
(m) 1972-2019
Notable Actors and Entertainers (actor)
Karl Staaff
(m) 1860-1915
Swedish Prime Ministers 1905-1906; 1911-1914
Karl Storch
(m) 1913-1992
Olympic Medalists 1952 hammer throw (silver)
Karl Urban
(m) 1972-
Notable Actors and Entertainers (actor)
Karl Verner
(m) 1846-1896
Notable Philosophers and Thinkers
Karl von Frisch
(m) 1886-1982
Nobel Prize Winners 1973 (medicine)
Notable Scientists and Inventors
Karl Warner
(m) 1908-1995
Olympic Medalists 1932 4x400 m relay (gold)
Karl Ziegler
(m) 1898-1973
Nobel Prize Winners 1963 (chemistry)
Notable Scientists and Inventors
Karlheinz Böhm
(a.k.a. Karl) (m) 1928-2014
Notable Actors and Entertainers (actor)
Károly III
(a.k.a. Karl) (m) 1685-1740
Hungarian Kings and Queens 1711-1740
Károly IV
(a.k.a. Karl) (m) 1887-1922
Hungarian Kings and Queens 1916-1918
Martin Lauer
(a.k.a. Karl) (m) 1937-2019
Olympic Medalists 1960 4x100 m relay (gold)
Oskar of Prussia
(a.k.a. Karl) (m) 1888-1958
Other Royalty 1888-1958 Prussia (prince)
P. K. Subban
(a.k.a. Karl) (m) 1989-
Notable Athletes (ice hockey)
Olympic Medalists 2014 ice hockey (gold)
Rainer Maria Rilke
(a.k.a. Karl) (m) 1875-1926
Notable Writers
Richard von Weizsäcker
(a.k.a. Karl) (m) 1920-2015
German Chancellors and Presidents 1984-1994 (president)
Robbie Grabarz
(a.k.a. Karl) (m) 1987-
Olympic Medalists 2012 high jump (bronze)
Ronnie Sundin
(a.k.a. Karl) (m) 1970-
Olympic Medalists 2006 ice hockey (gold)
Rudolf Diesel
(a.k.a. Karl) (m) 1858-1913
Notable Scientists and Inventors
Rune Larsson
(a.k.a. Karl) (m) 1924-2016
Olympic Medalists 1948 400 m hurdles; 4x400 m relay (bronze)
Sigismund of Prussia
(a.k.a. Karl) (m) 1896-1978
Other Royalty 1896-1978 Prussia (prince)
Sten Pettersson
(a.k.a. Karl) (m) 1902-1984
Olympic Medalists 1924 110 m hurdles (bronze)
Stephen Rerych
(a.k.a. Karl) (m) 1946-
Olympic Medalists 1968 swimming - 4x100 m freestyle relay; swimming - 4x200 m freestyle relay (gold)
Torsten Kumfeldt
(a.k.a. Karl) (m) 1886-1966
Olympic Medalists 1908; 1912; 1920 water polo (silver/bronze)
Ulrich Salchow
(a.k.a. Karl) (m) 1877-1949
Olympic Medalists 1908 figure skating (gold)
Willy Brandt
(a.k.a. Karl) (m) 1913-1992
German Chancellors and Presidents 1969-1974 (chancellor)
Nobel Prize Winners 1971 (peace)