| Zadek, Peter | (1926 - 2009) | 1 | Zitat |
| Zaharoff, Basil | (1849 - 1936) | 1 | Zitat |
| Zamenhof, Ludwik Lejzer | (1859 - 1917) | 3 | Zitate |
| Zanuck, Darryl Francis | (1902 - 1979) | 1 | Zitat |
| Zappa, Frank | (1940 - 1993) | 2 | Zitate |
| Zarathustra | (*1768 v. Chr.) | 1 | Zitat |
| Zátopek, Emil | (1922 - 2000) | 2 | Zitate |
| Zedong, Mao | (1892 - 1976) | 11 | Zitate |
| Zehetmair, Hans | (*1936) | 1 | Zitat |
| Zeller, Carl | (1842 - 1898) | 1 | Zitat |
| Zeller, Eva | (*1923) | 1 | Zitat |
| Zemin, Jiang | (*1926) | 2 | Zitate |
| Zeppelin, Ferdinand | (1838 - 1917) | 1 | Zitat |
| Zetsche, Dieter | (*1953) | 4 | Zitate |
| Zhuangzi | (365 - 290 v. Chr.) | 1 | Zitat |
| Zhuangzi | (365 - 260 v. Chr.) | 5 | Zitate |
| Zhukov, Georgy | (1896 - 1974) | 2 | Zitate |
| Ziegler, Jean | (*1934) | 5 | Zitate |
| Ziegler, John | (*1967) | 3 | Zitate |
| Zielke, Horst D. | (*1942) | 1 | Zitat |
| Zieten, Hans Joachim | (1699 - 1786) | 1 | Zitat |
| Ziglar, Zig | (1926 - 2012) | 6 | Zitate |
| Zille, Heinrich | (1858 - 1929) | 5 | Zitate |
| Ziller, Tuiskon | (1817 - 1882) | 3 | Zitate |
| Zimmermann, Friedrich | (1925 - 2012) | 1 | Zitat |
| Zincgref, Julius Wilhelm | (1591 - 1635) | 4 | Zitate |
| Zindler, Harald | (*1944) | 1 | Zitat |
| Zinkernagel, Rolf | (*1944) | 1 | Zitat |
| Zinzendorf, Nikolaus Ludwig | (1700 - 1760) | 2 | Zitate |
| Ziolkowski, Konstantin Eduardowitsch | (1857 - 1935) | 2 | Zitate |
| Zola, Émile | (1840 - 1902) | 7 | Zitate |
| Zotz, Volker | (*1956) | 2 | Zitate |
| Zschokke, Heinrich | (1771 - 1848) | 3 | Zitate |
| Zsigmondy, Emil | (1861 - 1885) | 2 | Zitate |
| Zuckmayer, Carl | (1896 - 1977) | 6 | Zitate |
| Zuckowski, Rolf | (*1947) | 2 | Zitate |
| Zulehner, Paul | (*1939) | 1 | Zitat |
| Zumwinkel, Klaus | (*1943) | 1 | Zitat |
| Zunz, Leopold | (1794 - 1886) | 1 | Zitat |
| Zuse, Konrad | (1910 - 1995) | 2 | Zitate |
| Zweig, Arnold | (1887 - 1968) | 3 | Zitate |
| Zweig, Stefan | (1881 - 1942) | 8 | Zitate |
| Zwerenz, Gerhard | (1925 - 2015) | 3 | Zitate |
| Zwingli, Ulrich | (1484 - 1531) | 7 | Zitate |
| Zworykin, Vladimir | (1889 - 1982) | 1 | Zitat |
| Zypries, Brigitte | (*1953) | 4 | Zitate |