| Karl Theodor | |
|---|---|
| Duke in Bavaria | |
 | |
| Born | 9 August 1839 Possenhofen Castle, Bavaria |
| Died | 30 November 1909 (aged 70) Kreuth, Germany |
| Burial | Schloss Tegernsee, Germany |
| Spouse |
|
| Issue | Amalie, Duchess of Urach, Queen of Lithuania Sophie, Countess zu Törring-Jettenbach Elisabeth, Queen of Belgium Marie Gabrielle, Princess of Bavaria Duke Ludwig Wilhelm in Bavaria Duke Franz Joseph in Bavaria |
| House | Wittelsbach |
| Father | Duke Maximilian Joseph in Bavaria |
| Mother | Princess Ludovika of Bavaria |
Karl Theodor, Duke in Bavaria (9 August 1839 – 30 November 1909), was a member of the House of Wittelsbach and a professional oculist. He was the favorite brother of Empress Elisabeth of Austria, and the father of Queen Elisabeth of the Belgians.[citation needed]