| Christian Günther II, Count of Schwarzburg-Sondershausen-Arnstadt | |
| Noble Family: | House of Schwarzburg |
| Father: | Christian Günther I, Count of Schwarzburg-Sondershausen |
| Mother: | Anna Sibylle of Schwarzburg-Rudolstadt |
| Spouse: | Sophia Dorothea of Mörsperg-Beffort |
| Birth Date: | 1 April 1616 |
Christian Günther II, Count of Schwarzburg-Sondershausen-Arnstadt (1 April 1616 - 10 September 1666) was Count of Schwarzburg-Sondershausen. From 1642 until his death, he ruled a part of the County around his residence in Arnstadt.
Count Christian Günther II was the son of Count Christian Günther I of Schwarzburg-Sondershausen (1578-1642), and his wife, Countess Anna Sibille (1584-1623), the daughter of Count Albert VII of Schwarzburg-Rudolstadt.
After the death of his father, the brothers were divided the County among themselves on and Christian Günther II received the entire Upper Schwarzburg-Sondershausen with his residence of Arnstadt.
In 1645, Christian Günther II married since 1645 to Sophia Dorothea (d. 1685), the daughter of Count George of Mörsperg and Beffort, and they had the following children: