Iona Brown, OBE (born 7 January 1941, Salisbury, Wiltshire, England - died 5 June 2004, Salisbury, Wiltshire, England) was an English violinist and conductor. Restricted by rheumatoid arthritis in her wrists, she turned increasingly to conducting giving her final concert as a conductor in May 2002, with the London Philharmonic Orchestra, the same day that she received a diagnosis of cancer.
1963 - 1966: played violin with the Philharmonia Orchestra
1964: joined the Academy of St Martin in the Fields
1974: became soloist and director of the Academy of St Martin in the Fields
1981: artistic director of the Norwegian Chamber Orchestra
1985 to 1989: guest director of the City of Birmingham Symphony Orchestra
1987: artistic director of the Los Angeles Chamber Orchestra