| Maharana Hamir Singh II | |
| Maharana of Mewar | |
| Succession: | Maharana of Mewar |
| Reign: | 1772–6 January 1778 |
| Predecessor: | Ari Singh II |
| Successor: | Bhim Singh |
| Birth Date: | 1762 |
| Spouse: | Rathorji (Kishansinghot) Amar Kanwarji d.of Maharaja Birad Singh of Kishangarh |
| Father: | Ari Singh II |
| Mother: | Jhaliji Sardar Kanwarji d.of Rana Kanha Singh of Gogunda in Mewar |
Maharana Hamir Singh II[1] (1762 – 6 January 1778) was the Sisodia Rajput ruler of Mewar Kingdom (r. 1772–1778). He was the eldest son of Maharana Ari Singh II. He died at the age of 16 when a rifle burst in his hand. After his death his younger brother Bhim Singh became the next Maharana of Mewar.