Raja Khushal Singh Jamadar (1790 – 17 June 1844) was a military officer and chamberlain of the Sikh Empire.

He was conferred the title of Raja for his conquest of Dera Ghazi Khan, Kangra and other military expeditions.

He was born in 1790, in a Gaur Brahmin family of Village Ikari (Meerut, Western Uttar Pradesh), to Misr Hargobind, a shopkeeper.

[1][2][3][4] He left his home as an adventurer at a young age to seek his fortune in Lahore, eventually joining the Sikh army as a soldier in Dhaunkal Singh wala's regiment in 1807.

[citation needed] In addition to his administrative duties, Khushal Singh excelled as a soldier, serving in various military expeditions throughout the region, including Kashmir (1814), Mukerian (1816), Multan (1818), Dera Ghazi Khan (1819), Derajat (1820), Dera Ismail Khan (1821), Leiah (1821), Mankera (1822), Peshawar (1823), and Kangra (1828) amid others.