R. S. Sharma, or Ram Sharan Sharma, was a prominent Indian historian known for his extensive work on ancient Indian history. He specialized in the study of Indian culture and society, focusing on the early medieval period. His research contributed significantly to understanding the socio-economic and political structures of ancient India. Sharma authored several influential books, including Indian Feudalism and Early Medieval Indian Society. He was also a professor at Delhi University, where he inspired many students to explore historical research. His scholarship has left a lasting impact on the field of history in India and continues to be referenced by scholars today.