Zalim Singh (1739-1824), sometimes refer as Zalim Singh Jhala or Zalim Singh of Kotah, a Jhala rajput, was an administrator, reformer and army commander of Kota state. He was the de facto ruler of Kota State from 1770 to until his death in 1824.
In 1761, Zalim Singh was appointed the Commander of the State Force of Kota State by the ruler of Kota, Chhatar Sal Singh and sent to fight battle against the forces of Jaipur State in the field of Bhatwara.
In 1770, the ruler of Kota State, Guman Singh died and was succeeded by his 12 years old son, Umaid Singh who ruled for a half century. During this period, Zalim Singh was the de facto ruler of Kota State and Umaid Singh was only a titular chief.