Richard Quain (July 1800 – 15 September 1887) was an English anatomist and surgeon, born at Fermoy, Ireland, a brother of Jones Quain. He studied medicine in London and in Paris. He was appointed demonstrator in 1828 and professor of anatomy in 1832 at the University of London (now University College London), resigning in 1850, and assistant surgeon in 1834 and surgeon in 1848 to the North London Hospital, from which he resigned in 1866. He was president of the Royal College of Surgeons in 1868.