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| Karl Friedrich | |
|---|---|
| Prince of Hohenzollern-Sigmaringen | |
| Reign | 1769–1785 |
| Predecessor | Joseph Friedrich |
| Successor | Anton Aloys |
| Born | 9 January 1724 Sigmaringen |
| Died | 20 December 1785 (aged 61) Krauchenwies |
| Spouse | Johanna of Hohenzollern-Bergh |
| Issue | Anton Aloys Johanna Franziska, Princess of Salm-Kyburg Maria Kreszentia, Lady of Holzen and Countess of Treuberg. |
| House | House of Hohenzollern-Sigmaringen |
| Father | Joseph Friedrich Ernst, Prince of Hohenzollern-Sigmaringen |
| Mother | Maria Franziska of Oettingen-Spielberg |
Karl Friedrich (9 January 1724 – 20 December 1785) was a member of the House of Hohenzollern and Prince of Hohenzollern-Sigmaringen, Lord of Haigerloch and Wehrstein from 1769 until his death.
Born in Sigmaringen, he was the eldest son of Joseph Friedrich Ernst, Prince of Hohenzollern-Sigmaringen and his first wife, Maria Franziska Louise of Oettingen-Spielberg. From the nine children that his father produced in his first and second marriage, only Karl Friedrich and a young full-sister, Maria Johanna (who became a nun) survived to adulthood.