Udaybhanu Singh GCIE KCSI KCVO (12 February 1893 – 22 October 1954) was the ruler of Dholpur state from 1911–1949, after which the State acceded to the Union of India. He was from the Bamraulia gotra of Jats. Udaybhanu succeeded his brother Rana Ram Singh, who died without issue in 1911. Udaybhanu received full ruling rights on 9 October 1913. He was educated at Mayo College, Ajmer and later joined the Imperial Cadet Corps at Dehradun.