Jai Singh III
| Sawai Jai Singh III | |
|---|---|
| Maharaja Sawai of Jaipur | |
| Reign | 1819 - 6 February 1835 | 
| Predecessor | Jagat Singh | 
| Successor | Ram Singh II | 
| Born | 25 April 1819 Jaipur, Rajputana | 
| Died | 6 February 1835 (aged 15) | 
| Spouse | Devariji (Chauhanji) Ratan Kanwarji d.of Maharao Shiv Singh of Sirohi Chawdiji of Arjiya in MewarChandrawatji of Sheopur in Jaipur | 
| Issue | Ram Singh II 
 | 
| Father | Jagat Singh of Amber | 
| Mother | Bhatiyaniji (Rawalotji) Anand Kanwarji d.of Rao Raj Singh of Jakhan in Jodhpur-Marwar | 
| Religion | Hinduism | 
Sawai Jai Singh III (25 April 1819 – 6 February 1835), was the Kachwaha-Rajput ruler of Jaipur. He was born posthumously after the sudden death of his father Sawai Jagat Singh of Amber .He was the father of his successor and only son Sawai Ram Singh II