Ratan Nath Dhar Sarshar (1846 or 1847 – 21 January 1903) was an Urdu novelist, columnist and editor from British India. Born into a Kashmiri Brahmin family which settled in Lucknow, he received his education at Canning College and later took up employment as a schoolteacher. In August 1878, he was appointed editor of the Lucknow-based newspaper Avadh Akhbar, in which his most famous work Fasana-e-Azad was published serially.