Namesakes
Austrian Chancellors and Presidents:
1 president
(president) Wilhelm Miklas 1928-1938 
Danish Prime Ministers:
1 prime minister
Adam Wilhelm Moltke 1848-1852
Dutch Prime Ministers:
1 prime minister
Pieter Cort van der Linden (middle name Wilhelm) 1913-1918
Finnish Presidents and Prime Ministers:
1 prime minister
(prime minister) Jukka Rangell (middle name Wilhelm) 1941-1943
German Chancellors and Presidents:
4 chancellors, 1 president
(chancellor) Maximilian of Baden (middle name Wilhelm) 1918
(chancellor) Wilhelm Cuno 1922-1923
(chancellor) Wilhelm Marx 1923-1925; 1926-1928
(chancellor) Ludwig Erhard (middle name Wilhelm) 1963-1966
(president) Christian Wulff (middle name Wilhelm) 2010-2012
Nobel Prize Winners:
3 chemistry, 2 physics
(physics) Wilhelm Röntgen 1901
(chemistry) Adolf von Baeyer (middle name Wilhelm) 1905
(chemistry) Wilhelm Ostwald 1909
(physics) Wilhelm Wien 1911
(chemistry) Arne Tiselius (middle name Wilhelm) 1948
Notable Actors and Entertainers:
2 actors
Anton Walbrook (middle name Wilhelm) 1896-1967
Freddie Stroma (middle name Wilhelm) 1987-
Notable Artists:
1 painter, 1 photographer, 1 sculptor
Wilhelm von Gloeden 1856-1931
Jean Arp (middle name Wilhelm) 1886-1966
Otto Dix (a.k.a. Wilhelm) 1891-1969
Notable Athletes:
1 chess, 1 rugby
(chess) Wilhelm Steinitz 1836-1900
(rugby) Bismarck du Plessis (middle name Wilhelm) 1984-
Notable Businesspeople:
1 businessperson
Gustav Wilhelm Wolff 1834-1913
Notable Filmmakers:
2 directors
F. W. Murnau (middle name Wilhelm) 1888-1931
Wim Wenders 1945-
Notable Musicians:
1 composer, 1 composer/musician
Richard Wagner (a.k.a. Wilhelm) 1813-1883
Adolf Busch (middle name Wilhelm) 1891-1952
Notable Philosophers and Thinkers:
2 psychologists, 1 philosopher, 1 philosopher/mathematician
Gottfried Wilhelm Leibniz 1646-1716
Georg Wilhelm Friedrich Hegel 1770-1831
Wilhelm Wundt 1832-1920
Wilhelm Reich 1897-1957
Notable Politicians and Statespeople:
2 politicians
Gaius de Gaay Fortman (a.k.a. Wilhelm) 1911-1997
Norbert Schmelzer (a.k.a. Wilhelm) 1921-2008
Notable Scientists and Inventors:
5 chemists, 5 physicists, 1 anthropologist, 1 inventor, 1 physician
Gottfried Wilhelm Leibniz 1646-1716
Carl Wilhelm Scheele 1742-1786
Wilhelm Eduard Weber 1804-1891
Hermann Kolbe (middle name Wilhelm) 1818-1884
Adolf Bastian (middle name Wilhelm) 1826-1905
Adolf von Baeyer (middle name Wilhelm) 1835-1917
Wilhelm Röntgen 1845-1923
Wilhelm Maybach 1846-1929
Wilhelm Ostwald 1853-1932
Emil Kraepelin (middle name Wilhelm) 1856-1926
Wilhelm Wien 1864-1928
Gustav Mie (middle name Wilhelm) 1868-1957
Arne Tiselius (middle name Wilhelm) 1902-1971
Notable Writers:
2 author/poets, 1 author
Wilhelm Grimm 1786-1859
Rainer Maria Rilke (middle name Wilhelm) 1875-1926
Hans Andreus (middle name Wilhelm) 1926-1977
Olympic Medalists:
3 silver, 2 bronze, 1 gold/silver
(silver) Wilhelm Lützow 1912 swimming - 200 m breaststroke
(silver) Erik Wilén (middle name Wilhelm) 1924 400 m hurdles
(silver) Willy Schärer 1924 1500 m
(gold/silver) Ville Pörhölä 1920; 1932 shot put; hammer throw
(bronze) Wilhelm Leichum 1936 4x100 m relay
(bronze) Friedrich Wilhelm Braun 1964 basketball
Other Royalty:
30 princes, 4 kings, 2 emperor/kings, 1 grand duke, 1 king/emperor, 1 prince consort
Friedrich Wilhelm I 1713-1740 Prussia
August Wilhelm of Prussia 1722-1758 Prussia
August of Prussia (middle name Wilhelm) 1779-1843 Prussia
Wilhelm of Prussia 1783-1851 Prussia
Friedrich Wilhelm II of Prussia 1786-1797 Prussia
Friedrich of Prussia (middle name Wilhelm) 1794-1863 Prussia
Friedrich Wilhelm III of Prussia 1797-1840 Prussia
Adalbert of Prussia (middle name Wilhelm) 1811-1873 Prussia
Waldemar of Prussia (middle name Wilhelm) 1817-1849 Prussia
Alexander of Prussia (middle name Wilhelm) 1820-1896 Prussia
Georg of Prussia (middle name Wilhelm) 1826-1902 Prussia
Albrecht of Prussia (middle name Wilhelm) 1837-1906 Prussia
Friedrich Wilhelm IV of Prussia 1840-1861 Prussia
Carl of Sweden (middle name Wilhelm) 1861-1951 Sweden
Heinrich of Prussia (middle name Wilhelm) 1862-1929 Prussia
Friedrich Leopold of Prussia (middle name Wilhelm) 1865-1931 Prussia
Wilhelm I 1861-1888; 1871-1888 Prussia; German Empire
Friedrich Heinrich of Prussia (a.k.a. Wilhelm) 1874-1940 Prussia
Joachim Albrecht of Prussia (a.k.a. Wilhelm) 1876-1939 Prussia
Friedrich Wilhelm of Prussia 1880-1925 Prussia
Wilhelm of Prussia 1882-1918; 1882-1951 German Empire; Prussia
Eitel Friedrich of Prussia (a.k.a. Wilhelm) 1883-1942 Prussia
Wilhelm of Sweden 1884-1965 Sweden
August Wilhelm of Prussia 1887-1949 Prussia
Friedrich III (middle name Wilhelm) 1888 German Empire; Prussia
Wilhelm II 1888-1918 German Empire; Prussia
Waldemar of Prussia (middle name Wilhelm) 1889-1945 Prussia
Adolphe, Grand Duke of Luxembourg (middle name Wilhelm) 1890-1905 Luxembourg
Friedrich Sigismund of Prussia (middle name Wilhelm) 1891-1927 Prussia
Friedrich Karl of Prussia (middle name Wilhelm) 1893-1917 Prussia
Sigismund of Prussia (middle name Wilhelm) 1896-1978 Prussia
Wilhelm of Prussia 1906-1940 Prussia
Hubertus of Prussia (middle name Wilhelm) 1909-1950 Prussia
Friedrich of Prussia (middle name Wilhelm) 1911-1966 Prussia
Alexander Ferdinand of Prussia (middle name Wilhelm) 1912-1985 Prussia
Karl Franz of Prussia (middle name Wilhelm) 1916-1975 Prussia
Franz Wilhelm of Prussia 1943- Prussia
Alexander of Liechtenstein (middle name Wilhelm) 1972- Liechtenstein
Claus of the Netherlands (middle name Wilhelm) 1980-2002 Netherlands
Saints:
1 blessed
Blessed William of Hirsau (a.k.a. Wilhelm) ?-1091
Swedish Kings and Queens:
1 king
King Gustaf VI Adolf (middle name Wilhelm) 1950-1973
Swiss Presidents:
3 presidents
Wilhelm Matthias Naeff 1853
Wilhelm Hertenstein 1888
Adolf Deucher (middle name Wilhelm) 1886; 1897; 1903; 1909