Ram Chandra Datta (30 October 1851—17 January 1899) was a householder disciple of Ramakrishna and a writer.
Datta was a relative of Indian monk and social reformer Swami Vivekananda.
After completing his graduation, he took job of a Government employee and a chemist.
He invented an antidote for blood dysentery from an extract of an indigenous medicinal plant and started promoting "modern science".
Datta became a disciple of Ramakrishna and encouraged Narendranath Datta (pre-monastic name of Swami Vivekananda) to go to Dakshineswar and meet Ramakrishna.
He died on 17 January 1899 after suffering from heart disease and chronic asthma.