Johann Ernst of Nassau-Weilburg | |
|---|---|
 Johann Ernst of Nassau-Weilburg | |
| Born | 13 June 1664 Weilburg |
| Died | 27 February 1719 (aged 54) Heidelberg |
| Noble family | Nassau |
| Spouse(s) | Maria Polyxena of Leiningen-Dagsburg-Hartenburg |
| Issue | Charles August, Prince of Nassau-Weilburg |
| Father | Frederick, Count of Nassau-Weilburg |
| Mother | Christiane Elisabeth of Sayn-Wittgenstein |
Johann Ernst of Nassau-Weilburg (Weilburg, 13 June 1664 – Heidelberg, 27 February 1719) was an Imperial Generalfeldmarschall, from 1675 to 1688 Count and from 1688 until his death Prince (Fürst) of Nassau-Weiburg.