Sir Udai Bhan Singh GCIE KCSI KCVO (Hindi: उदयभान सिंह; 12 February 1893 – 22 October 1954) was the Maharaj-Rana of Dholpur from 1911 until his death in 1954.

[1][2] He received his education at Mayo College, Ajmer, where he successfully passed the Diploma examination and earned numerous prizes.

[4][3][5][6] In June 1911, he married Malvender Kaur, the daughter of Sardar Shamsher Singh of Badrukhan in Jind State.

[7][8][9][1][6][10][2][11] He had a daughter named Urmila Devi, who, in 1943, married Pratap Singh, the Maharaja of Nabha State.

[12][13] As he had no male heir, following his demise, his widow adopted their daughter's son, Hemant Singh, who succeeded him.

[32][33] When the United States of Matsya (Matsya Union) was formed on 18 March 1948 following the merger of Alwar, Bharatpur, Dholpur, and Karauli, he was appointed as its Rajpramukh, a position he held from 18 March 1948 until 15 May 1949 when it was merged with Greater Rajasthan to form the United State of Rajasthan.

[50] On 8 December 1921, during Edward VIII's tour of India, a duck shoot was organized at a reserve in Bharatpur.

[53][51] These improvements included constructing walls, establishing good roads, and blocking nullahs, among other enhancements.