JAI SIṄGH AṬĀRĪVĀLĀ (d. 1838), son of Wazīr Siṅgh, was a soldier and jāgīrdār during Mahārājā Raṇjīt Siṅgh's reign. About 1820, he was sent on a mission to Peshāwar where, much to the chagrin of the Mahārājā, he cultivated treacherously friendly relations with Dost Muhammad Khān, the Bārakzaī chief of Kābul. Jai Siṅgh was soon recalled to Lahore. Fearing chastisement, he hatched a plot to assassinate the Mahārājā in collusion with his cousin, Jagat Siṅgh, and Buddh Siṅgh Sandhāṅvālīā, a collateral of the Mahārājā. The two Aṭārīvālā sardārs entered the Samman Burj, the residence of the Mahārājā, to execute their design, but could not succeed in their plan. Jai Siṅgh fled to his Afghān friend, Dost Muhammad Khān. During the Mahārājā's campaign towards Peshāwar in 1823, Jai Siṅgh left Peshāwar and came to the Mahārājā's group at Akoṛā after the battle of Ṭerī. The Mahārājā forgave him and deputed him as one of his agents to arrange for a meeting with Yār Muhammad Khān and Dost Muhammad Khān.
Jai Siṅgh died in 1838.