| Adolph II, Count of Nassau-Wiesbaden-Idstein | |
| Noble Family: | House of Nassau |
| Father: | Walram IV, Count of Nassau-Idstein |
| Mother: | Bertha of Westerburg |
| Spouse: | Margaret of Baden-Baden |
| Birth Date: | 1386 |
Adolph II, Count of Nassau-Wiesbaden-Idstein (1386 - 16 July 1426) was a son of Walram IV, Count of Nassau-Idstein his wife, Bertha of Westerburg. He married in 1418 with Margaret (1404–1442), a daughter of Bernard I, Margrave of Baden-Baden. After his father's death in 1393, he ruled Nassau-Wiesbaden and Nassau-Idstein.
His children were: