Sunderdas (1596–1689) was a noted saint, poet, philosopher and social reformer of medieval India. He was a disciple of Dadu Dayal. Sunderdas was born in Dausa in Rajasthan state in India. Sant Sunderdas composed about 48 books. He is revered as the Sankaracharya of Hindi literature, and is popularly known as Sant Kavi Sunderdas.