John II of Nassau-Saarbrücken (4 April 1423, in Saarbrücken – 15 July 1472, in Vehingen) was a son of Philipp I, Count of Nassau-Weilburg and Elisabeth of Lorraine-Vaudémont. He was Count of Nassau-Saarbrücken from 1429 to 1472.
| John II | |
|---|---|
 | |
| Reign | 1429–1472 |
| Predecessor | Philipp I of Nassau-Weilburg |
| Successor | John Louis, Count of Nassau-Saarbrücken |
| Born | 4 April 1423 Saarbrücken |
| Died | 15 July 1472 (aged 49) Vehingen |
| Spouse | Johanna of Loon Elisabeth of Württemberg-Urach |
| House | Nassau-Saarbrücken |
| Father | Philipp I of Nassau-Weilburg |
| Mother | Elisabeth of Lorraine-Vaudémont |
He married Johanna (1443–1469), a daughter of John IV of Loon.
- Elizabeth (1459–1479), married William IV, Duke of Jülich-Berg in 1472
- Johanna (1464–1521), married John I, Count Palatine of Simmern in 1481.
After Johanna's death, he married Elisabeth, the daughter of Count Louis I of Württemberg-Urach. With her, he had a son:
- John Louis, succeeded as Count of Nassau-Saarbrücken