Sham Singh of Narli was a Sikh warrior of the 18th century. He was a Jat of Narli village and associated with the early origins of the Karorsinghia Misl of the Sikh Confederacy. [1] He was born into either a Sandhu or Dhillon family and left his native village due to feeling upset over the treatment of his parents, where-after he joined the dera of Nawab Kapur Singh. [2] [3] He would become baptized as a Khalsa Sikh under Kapur Singh. [4] Another mentor of Sham Singh was Darbara Singh. [5] He may have played a role in the decision to split the Sikh military forces into two factions at the time in 1733. [5] According to Hari Ram Gupta, he became a leader of a jatha under the Buddha Dal in 1734 and was killed during the invasion of Nader Shah in 1739. [3] After his death, he would be succeeded as leader of the band by Karam Singh, an Uppal Khatri of Paijgarh village. [3] The jatha band Sham Singh started would later go-on to formulate into an independent misl. [5] Sham Singh's adopted son was Sukha Singh, who would go-on to be one of the two assassins of Massa Ranghar. [5]