Sawai Jai Singh III (25 April 1819 – 6 February 1835), was the Kachwaha-Rajput ruler of Jaipur.

[1] Maharaja Sawai Jagat Singhji died under suspicious circumstances in November 1818 without any medical issues and hence Jaipur became heirless.

Jai Singh III spent the first 9 years of his life within the confines of the zenana, making his first public appearance in a procession to the Jamwa Mata Temple after the people of Jaipur demanded to see their ruler.

Constant troubles were created by Sanghi Jhutha Ram and Roopan Badaran, the former a suspect in the sudden death of Jagat Singh.

In 1812, Jaipur's first Political Agent, J. Stewart, moved into Maji ka Bagh, a garden that had been laid by Jai Singh II's queen.