Ajit Singh of Marwar
| Ajit Singh Rathore | |
|---|---|
| Chatrapati Maharaja of Marwar | |
| Ruler of Marwar | |
| Tenure | 19 February 1679 – 24 June 1724 |
| Predecessor | Maharaja Jaswant Singh |
| Successor | Maharaja Abhai Singh |
| Subahdar of Gujarat | |
| Term | 1715–1717 |
| Emperor | Farrukhsiyar |
| Predecessor | Daud Khan Panni |
| Successor | Khan Dowran VII |
| Term | 1719–1721 |
| Emperor | Rafi ud-Darajat Shah Jahan II Muhammad Shah |
| Predecessor | Khan Dowran VII |
| Successor | Haider Quli Khan |
| Regent | Anup Singh |
| Born | c. 19 February 1679 Lahore |
| Died | 24 June 1724 (aged 44–45) Meherangarh, Jodhpur |
| Issue | Abhai Singh Bakht Singh |
| Dynasty | House of Rathore |
| Father | Maharaja Jaswant Singh Rathore |
| Mother | Rani Jadav Jaskumvar |
| Religion | Hinduism |
Ajit Singh Rathore (19 February 1679 – 24 June 1724) was a ruler of Marwar region in the present-day Rajasthan and a son of Jaswant Singh Rathore. He also served as the Mughal Subahdar of Gujarat for two terms from 1715–1717 and 1719–1721.