| Frederick William | |
|---|---|
 | |
| Prince of Nassau-Weilburg | |
| Reign | 28 November 1788 – 9 January 1816 |
| Predecessor | Charles Christian |
| Successor | William |
| Born | 25 October 1768 The Hague |
| Died | 9 January 1816 (aged 47) Weilburg |
| Spouse | |
| Issue | William, Duke of Nassau Princess Auguste Archduchess Henrietta, Duchess of Teschen Prince Friedrich Wilhelm |
| House | Nassau-Welburg |
| Father | Charles Christian, Prince of Nassau-Weilburg |
| Mother | Princess Carolina of Orange-Nassau |
Frederick William, Prince of Nassau-Weilburg (Friedrich Wilhelm, 25 October 1768, The Hague – 9 January 1816, Weilburg) was a ruler of Nassau-Weilburg. He was created Prince of Nassau and reigned jointly with his cousin, Prince Frederick Augustus of Nassau-Usingen, who became Duke of Nassau. Frederick William died in January 1816, only two months before his cousin. Both men were succeeded by Frederick William's son, William.