James Yonge (27 February 1646/1647 – 25 July 1721) was a Royal Navy surgeon from Plymouth, England, where his father was a surgeon. He went to sea as an apprentice surgeon as a young boy. Later he joined several voyages with Newfoundland fishing fleets. In his twenties he set up a practice in Plymouth and prospered. He was elected a fellow of the Royal Society in 1702 and mayor of Plymouth for 1694 and 1695. He wrote medical textbooks and a journal of his life.