Ratan Singh of Bharatpur
| Maharaja Ratan Singh | |
|---|---|
| Maharaja of Bharatpur | |
| Portrait of Maharaja Ratan Singh | |
| Reign | 28 August 1768 –11 April 1769 | 
| Coronation | 28 August 1768, Deeg | 
| Predecessor | Jawahar Singh | 
| Successor | Kehri Singh | 
| Died | 11 April 1769 Vrindavan (Brindaban) | 
| House | Sinsiniwar Jat Dynasty | 
| Father | Suraj Mal | 
| Mother | Ganga Devi | 
| Religion | Hinduism | 
Ratan Singh was the ruling Maharaja of the princely state of Bharatpur from 1768 to 1769.
He ascended the throne after the assassination of his brother Maharaja Jawahar Singh.