Friedrich Karl August, Prince of Waldeck and Pyrmont
| Friedrich Karl August | |
|---|---|
 | |
| Prince of Waldeck and Pyrmont | |
| Reign | 29 August 1763 – 24 September 1812 |
| Predecessor | Karl August |
| Successor | George I |
| Born | 25 October 1743 Zweibrücken, Palatinate-Zweibrücken |
| Died | 24 September 1812 (aged 68) Arolsen, Waldeck and Pyrmont |
| House | House of Waldeck and Pyrmont |
| Father | Karl August, Prince of Waldeck and Pyrmont |
| Mother | Countess Palatine Christiane Henriette of Zweibrücken-Birkenfeld |
Friedrich Karl August (German: Friedrich Karl August Fürst zu Waldeck und Pyrmont; 25 October 1743 – 24 September 1812) was Prince of Prince of Waldeck and Pyrmont from 1763 to 1812.