| Kition, Zenon | (333 - 264 v. Chr.) | 4 | Zitate |
| Kitt, Eartha | (1927 - 2008) | 2 | Zitate |
| Klages, Klaus | (1938 - 2022) | 445 | Zitate |
| Klages, Ludwig | (1872 - 1956) | 1 | Zitat |
| Klapproth, Stephan | (*1958) | 2 | Zitate |
| Klee, Paul | (1879 - 1940) | 3 | Zitate |
| Klein, Anton | (1775 - 1853) | 1 | Zitat |
| Klein, Hans | (1931 - 1996) | 1 | Zitat |
| Kleist, Ewald Christian | (1715 - 1759) | 2 | Zitate |
| Kleist, Heinrich | (1777 - 1811) | 13 | Zitate |
| Kleist-Schmenzin, Ewald | (1890 - 1945) | 1 | Zitat |
| Klemperer, Victor | (1881 - 1960) | 3 | Zitate |
| Klima, Viktor | (*1947) | 1 | Zitat |
| Kline, Kevin | (*1947) | 1 | Zitat |
| Klinger, Friedrich Maximilian | (1752 - 1831) | 3 | Zitate |
| Klocke, Piet | (*1957) | 2 | Zitate |
| Klopstock, Friedrich Gottlieb | (1724 - 1803) | 6 | Zitate |
| Klose, Hans-Ulrich | (*1937) | 1 | Zitat |
| Knef, Hildegard | (1925 - 2002) | 5 | Zitate |
| Kneipp, Sebastian | (1821 - 1897) | 3 | Zitate |
| Kneißl, Mathias | (1875 - 1902) | 1 | Zitat |
| Kner, Anton | (1911 - 2003) | 3 | Zitate |
| Knigge, Adolph | (1752 - 1796) | 14 | Zitate |
| Knight, Frank Hyneman | (1885 - 1972) | 1 | Zitat |
| Knight, Philip | (*1938) | 1 | Zitat |
| Knittel, John | (1891 - 1970) | 4 | Zitate |
| Knobloch, Heinz | (1926 - 2003) | 1 | Zitat |
| Knudsen, William S. | (1879 - 1948) | 1 | Zitat |
| Knuth, Gustav | (1901 - 1987) | 7 | Zitate |
| Kobell, Franz | (1803 - 1882) | 1 | Zitat |
| Kobjoll, Klaus | (*1948) | 5 | Zitate |
| Koblenz, Alexander | (1916 - 1993) | 2 | Zitate |
| Koch, Marianne | (*1931) | 1 | Zitat |
| Koch, Robert | (1843 - 1910) | 2 | Zitate |
| Koch, Roland | (*1958) | 3 | Zitate |
| Koch-Mehrin, Silvana | (*1970) | 3 | Zitate |
| Koenig, Friedrich | (1774 - 1833) | 2 | Zitate |
| Koestler, Arthur | (1905 - 1983) | 2 | Zitate |
| Kögl, Ludwig | (*1966) | 1 | Zitat |
| Kohelet (Prediger Salomo) | | 2 | Zitate |
| Kohl, Helmut Josef Michael | (1930 - 2017) | 14 | Zitate |
| Kohle, Mario | (*1984) | 1 | Zitat |
| Köhler, Horst | (*1943) | 4 | Zitate |
| Kokoschka, Oskar | (1886 - 1980) | 4 | Zitate |
| Kolakowski, Leszek | (1927 - 2009) | 2 | Zitate |
| Kolb, Anette | (1870 - 1967) | 2 | Zitate |
| Kolbenheyer, Erwin Guido | (1878 - 1962) | 1 | Zitat |
| Kolle, Oswalt | (1928 - 2010) | 1 | Zitat |
| Kolmogorow, Andrei Nikolajewitsch | (1903 - 1987) | 1 | Zitat |
| Kolping, Adolph | (1813 - 1865) | 20 | Zitate |