| Succession: | Maharana of Udaipur |
| Reign: | 1828–38 |
| Predecessor: | Bhim Singh |
| Successor: | Sardar Singh |
| Birth Date: | 2 July 1821 |
| Spouse: | Bhatiyaniji Suraj Kanwarji of Mohi in Mewar Bagheliji Subhadra Kanwarji of Rewa in Baghelkhand Bagheliji Sahodara Kanwarji of Rewa in Baghelkhand Bagheliji Achhraj Kanwarji of Rewa in Baghelkhand Hadiji Ratan Kanwarji of Indragarh in Kota Devriji Umaid Kanwarji of Sirohi |
| House: | Ranawat Sisodia |
| Father: | Bhim Singh |
| Mother: | Chawdiji Gulab Kanwarji d.of Raol Jagatsinhji of Varsoda in Gujarat |
Maharana Jawan Singh (2 July 1821 – 30 August 1838), was the Maharana (r. 1828–1838) of Princely state of Udaipur. He was the only son of Maharana Bhim Singh to have survived his father.He was also a poet under the name of Brijraj. He adopted his third cousin Kunwar Sardar Singh to succeed him as the next Maharana,who was the great grandson of Sangram Singh II through his son Kunwar Nath Singhji of Bagore.[1]