| John Frederick | |
|---|---|
.jpg) John Frederick of Schwarzburg-Rudolstadt, painting by Johann Ernst Heinsius | |
| Prince of Schwarzburg-Rudolstadt | |
| Reign | 1 September 1744 – 10 July 1767 |
| Predecessor | Frederick Anton |
| Successor | Louis Günther II |
| Born | 8 January 1721 Rudolstadt, Schwarzburg-Rudolstadt (present-day Thuringia, Germany) |
| Died | 10 July 1767 (aged 46) Rudolstadt |
| Spouse | Bernardina Christina Sophia of Saxe-Weimar-Eisenach |
| Issue | Wilhelmina, Princess of Nassau-Saarbrücken |
| House | House of Schwarzburg |
| Father | Frederick Anton, Prince of Schwarzburg-Rudolstadt |
| Mother | Sophia Wilhelmina of Saxe-Coburg-Saalfeld |
John Frederick, Prince of Schwarzburg-Rudolstadt (8 January 1721 in Rudolstadt – 10 July 1767 in ibid) was the ruling Prince of Schwarzburg-Rudolstadt from 1744 to 1767.