| Karl Kautsky | Karl Kautsky |
| Karl Kilbom | Karl Kilbom |
| Karl Klindworth | Karl Klindworth |
| Karl Knies | Karl Knies |
| Karl Kobelt | Karl Kobelt |
| Karl Koch | Karl Heinrich Koch |
| Karl Kraus | Karl Kraus |
| Karl Krumbacher | Karl Krumbacher |
| Karl Lachmann | Karl Lachmann |
| Karl Lagerfeld | Karl Lagerfeld |
| Karl Landsteiner | Karl Landsteiner |
| Karl Leberecht Immermann | Carl Leberecht Immermann |
| Karl Lehmann | Karl Lehmann |
| Karl Leonhard Reinhold | Carl Leonhard Reinhold |
| Karl Liebknecht | Karl Liebknecht |
| Karl Logan | Karl Logan |
| Karl Ludwig Harding | Karl Ludwig Harding |
| Karl Ludwig Hencke | Karl Ludwig Hencke |
| Karl Lueger | Karl Lueger |
| Karl Mack von Leiberich | Karl Mack von Leiberich |
| Karl Malden | Karl Malden |
| Karl Malone | Karl Malone |
| Karl Mannheim | Karl Mannheim |
| Karl Maria Wiligut | Karl Maria Wiligut |
| Karl Marx | Karl Marx |
| Karl Marx House | Karl-Marx-Haus |
| Karl May | Karl May |
| Karl May film | Karl-May-Film |
| Karl May movie | Karl-May-Film |
| Karl May movies | Karl-May-Filme |
| Karl Michael Ziehrer | Carl Michael Ziehrer |
| Karl Mollweide | Carl Brandan Mollweide |
| Karl Muck | Karl Muck |
| Karl Möbius | Karl August Möbius |
| Karl Nesselrode | Karl Robert von Nesselrode |
| Karl Otto Koch | Karl Otto Koch |
| Karl Peters | Carl Peters |
| Karl Philipp von Wrede | Carl Philipp von Wrede |
| Karl Polanyi | Karl Polanyi |
| Karl Popper | Karl Popper |
| Karl Radek | Karl Radek |
| Karl Rahner | Karl Rahner |
| Karl Renner | Karl Renner |
| Karl Richard Lepsius | Karl Richard Lepsius |
| Karl Richter | Karl Richter |
| Karl Ristenpart | Karl Ristenpart |
