Richard Charles Mayne RN CB FGS MP (1835 – 29 May 1892) was a Royal Navy Captain, later Admiral and explorer. Richard Mayne was the son of Sir Richard Mayne KCB (the first joint commissioner of the Metropolitan Police) and the grandson of Judge Edward Mayne. Both his father and grandfather were graduates of Trinity College, Dublin,. Richard Mayne was educated at Eton. He was a scion of a family that settled at Mount Sedborough in County Fermanagh during the Plantation of Ulster and subsequently at Freame Mount, County Cavan in Ireland.,,.