Maharaja Sir Kishan Singh (1899–1929) was the ruling Maharaja of princely state Bharatpur (1918–1929) and successor of Maharani Girraj Kaur.
Maharaja Kishan Singh was born at Moti Mahal, Bharatpur on 4 October 1899 in a Hindu Jat family. He was eldest son of Maharaja Ram Singh by his second wife, Maharani Girraj Kaur. He was educated at Mayo College, Ajmer and Wellington. He succeeded on the deposition of his father on 27 August 1900. Installed on the gadi at Bharatpur on 30 August 1900. He reigned under the regency of his mother until he came of age and was invested with full ruling powers on 28 November 1918. -