Anant Sadashiv Altekar (24 September 1898 – 25 November 1960; Marathi: अनंत सदाशिव अळतेकर) was a historian, archaeologist, and numismatist from Maharashtra, India. He was the Manindra Chandra Nandy's Professor and Head of the Department of Ancient Indian History and Culture at Banaras Hindu University in Varanasi, India, and later the director of the Kashi Prasad Jayaswal Research Institute and University Professor of Ancient Indian History and Culture at the Patna University, both in Patna, India. Anant Sadashiv Altekar was born into a Deshastha Rigvedi Brahmin family on 24 September 1898 in Mhakave, a village in Kolhapur district, Maharashtra.