| Konfuzius | (551 - 479 v. Chr.) | 33 | Zitate |
| König, Franz | (1905 - 2004) | 3 | Zitate |
| König, Wolfram | (*1958) | 1 | Zitat |
| Konrad von Parzham | (1818 - 1894) | 1 | Zitat |
| Kooning, Willem | (1904 - 1997) | 2 | Zitate |
| Kopelew, Lew Sinojewitsch | (1912 - 1997) | 1 | Zitat |
| Kopernikus, Nikolaus | (1473 - 1543) | 3 | Zitate |
| Kopper, Hilmar | (*1935) | 4 | Zitate |
| Koran | | 1 | Zitat |
| Körber, Hans-Joachim | (*1946) | 2 | Zitate |
| Korczak, Janusz | (1878 - 1942) | 3 | Zitate |
| Korff, Jens Jürgen | (*1960) | 1 | Zitat |
| Korn, Salomon | (*1943) | 2 | Zitate |
| Kornberg, Arthur | (1918 - 2007) | 1 | Zitat |
| Körner, Carl Theodor | (1791 - 1813) | 9 | Zitate |
| Körner, Theodor | (1791 - 1813) | 1 | Zitat |
| Korolenko, Wladimir Galaktionowitsch | (1853 - 1921) | 3 | Zitate |
| Koroljow, Sergej Pawlowitsch | (1907 - 1966) | 1 | Zitat |
| Kors, Michael | (*1959) | 1 | Zitat |
| Kortner, Fritz | (1892 - 1970) | 3 | Zitate |
| Koschwitz, Thomas | (*1956) | 1 | Zitat |
| Kosorin, Pavel | (*1964) | 1 | Zitat |
| Kossuth, Lajos | (1802 - 1894) | 3 | Zitate |
| Köster, Gaby | (*1961) | 2 | Zitate |
| Kostial, Harald | (*1959) | 1 | Zitat |
| Kostolany, André | (1906 - 1999) | 14 | Zitate |
| Kotzebue, August | (1761 - 1819) | 7 | Zitate |
| Kowa, Viktor | (1904 - 1973) | 5 | Zitate |
| Krafve, Richard E. | (- 1974) | 1 | Zitat |
| Krämer, Achim | (*1964) | 2 | Zitate |
| Krämer-Badoni, Rudolf | (1913 - 1989) | 2 | Zitate |
| Krankl, Hans | (*1953) | 1 | Zitat |
| Kraszweski, Jozef Ignacy | (1812 - 1887) | 2 | Zitate |
| Kraus, Karl | (1874 - 1936) | 14 | Zitate |
| Kreisky, Bruno | (1911 - 1990) | 1 | Zitat |
| Kreuder, Ernst | (1903 - 1972) | 2 | Zitate |
| Krieg, Daniel | (*1965) | 1 | Zitat |
| Krishnamurti, Jiddu | (1895 - 1986) | 4 | Zitate |
| Kristol, Irving | (1920 - 2009) | 1 | Zitat |
| Kroc, Ray Arthur | (1902 - 1984) | 7 | Zitate |
| Krockow, Matthias Graf | (*1949) | 1 | Zitat |
| Krolow, Karl | (1915 - 1999) | 1 | Zitat |
| Kronecker, Leopold | (1823 - 1891) | 2 | Zitate |
| Kronenberger, Louis | (1904 - 1980) | 1 | Zitat |
| Kropotkin, Peter | (1842 - 1921) | 1 | Zitat |
| Kropp, Gudrun | (*1955) | 1 | Zitat |
| Krüger, Mike | (*1951) | 2 | Zitate |
| Krupp, Alfred | (1812 - 1887) | 4 | Zitate |
| Krupp, Friedrich | (1787 - 1826) | 1 | Zitat |
| Kruppa, Hans | (*1952) | 1 | Zitat |