| Karam Singh | |
|---|---|
| Maharaja of Patiala | |
 Detail of a painting of Karam Singh, ca. 1836 | |
| Maharaja of Patiala | |
| Reign | 1813 – 1845 |
| Predecessor | Sahib Singh |
| Successor | Narinder Singh |
| Born | 1798 |
| Died | 1845 |
| Issue | Narinder Singh |
| Dynasty | Phulkian dynasty |
| Father | Sahib Singh |
| Mother | Rattan Kaur |
Karam Singh (1798 – 1845) was the fourth ruler of Patiala State and the Maharaja of Patiala. Singh was the first of the Patiala rulers to have the title of Maharaja. His reign was noted for Patiala State's territorial expansion and his support for the British Empire.[1]