Raja Maharaj Singh
| राजा महाराज सिंह | |
Singh at a baseball match in Bombay in 1949 | |
| Vice Chancellor of Lucknow University | |
| In office 1941 | |
| Preceded by | Bahadur Sir Sri Muhammad Habibullah Sahib |
| Succeeded by | Lieutenant Colonel Raja Visheshwar Dayal Seth |
| Governor of Bombay | |
| In office 6 January 1948 – 30 May 1952 | |
| Preceded by | Office Established |
| Succeeded by | Girija Shankar Bajpai |
| Personal details | |
| Born | May 17, 1878 |
| Died | June 6, 1959 (aged 81) |
| Nationality | Indian |
| Parent | Raja Harnam Singh |
| Alma mater | Harrow School Balliol College, Oxford Middle Temple |
| Occupation | Administrator |
| Awards | CIE |
Raja Sir Maharaj Singh CIE CStJ (17 May 1878, Kapurthala, Punjab – 6 June 1959, Lucknow) was the first Indian Governor of Bombay. He was also the Prime Minister of Jammu and Kashmir during Maharaja Hari Singh's rule and also the Dewan of Jodhpur for a short while. Raja Sir Maharaja Singh served as the president of the All India Conference of Indians in the 1940s.