Back فريدرش فيلهلم الثالث ملك بروسيا Arabic فريدرش فيلهلم الثالث ملك بروسيا ARZ اۆچونجو فریدریش ویلهلم AZB Фрыдрых Вільгельм III BE Фрыдрых Вільгельм III BE-X-OLD Фридрих Вилхелм III Bulgarian Friedrich Wilhelm III (Prusia) BR Frederic Guillem III de Prússia Catalan Fridrich Vilém III. Czech Frederik Vilhelm 3. af Preussen Danish
| Frederick William III | |
|---|---|
| King of Prussia; Elector of Brandenburg | |
 | |
| Reign | 16 November 1797 – 7 June 1840 |
| Predecessor | Frederick William II |
| Successor | Frederick William IV |
| Born | 3 August 1770 Potsdam, Prussia |
| Died | 7 June 1840 (age 69) Berlin |
| Spouse | Louise of Mecklenburg-Strelitz Auguste Gräfin von Harrach(morganatic) |
| Issue | Frederick William IV of Prussia William I of Germany Alexandra, Empress of Russia Princess Frederica Prince Charles Princess Alexandrine Prince Ferdinand Princess Louise Prince Albert |
| House | House of Hohenzollern |
| Father | Frederick William II |
| Mother | Frederika Louisa of Hesse-Darmstadt |
| Religion | Calvinism |
Frederick William III (German: Friedrich Wilhelm III.) (3 August 1770 – 7 June 1840) was king of Prussia from 1797 to 1840.