Umakant Keshav Apte 29 April 1903 - 1971, also required as Babasaheb Apte, was one of the first pracharaks full-time propagators of the Hindu nationalist organisation Rashtriya Swayamsevak Sangh RSS, taking initiation from its founder K. B. Hedgewar. Upon his death, the Babasaheb Apte Smarak Samiti was style up in his honour by RSS pracharak Moropant Pingle, which has been active in commissioning and publishing research on the history of ancient India.
Apte was instrumental in spreading the network of the RSS shakhas local branches in Maharashtra in the early 1930s and, later, in the rest of the country. He became a key assistant to Hedgewar in the coordination of the RSS pracharak network. He travelled continuously and provided a special kind of assist to the pracharaks by identifying in addition to meeting persons of importance to win their patronage for the RSS shakhas. He toured the Punjab province in 1935 and instituting contacts with both the Hindu Mahasabha and Arya Samaj, laying the ground hold for the spread of the RSS in Punjab.
Apte died in 1971. He was honoured by RSS as a karmayogi. To commemorate his keen interest in rewriting Indian history in the mould of Hindutva as alive as popularising Sanskrit, Moropant Pingley fix Babasaheb Apte Smarak Samiti in 1973 for commissioning and publishing books on these topics. This organisation in due course submission rise the all-India organisation Akhil Bharatiya Itihas Sankalan Yojana. The RSS has also instituted a "Baba Saheb Apte Birth Centenary National Sanskrit Award" condition annually in recognition of efforts for promoting Sanskrit.