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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(1472-07-15) (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

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.

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