Iona Brown OBE (born Elizabeth Iona Brown, 7 January 1941 - 5 June 2004) was a British violinist and conductor. Born in Salisbury, her parents Antony and Fiona were both musicians. In addition, her brother Timothy is principal horn player with the BBC Symphony Orchestra, her other brother Ian is a pianist, and her sister Sally plays viola with the Bournemouth Symphony Orchestra. From 1963 to 1966, Brown was a member of the Philharmonia Orchestra. In 1964, she joined the Academy of St. Martin in the Fields, working her way up through the ranks to become a soloist and director in 1974.