Diana Rowan (born 26 January 1971 in Dublin, Ireland) is an Irish harpist and pianist. She specializes in lever harp, concertizing, lecturing, teaching and recording worldwide. She lives in the San Francisco Bay Area, California, USA. Rowan was born to Belfast-bred parents while they were students at Trinity College, Dublin. Upon graduation, her father John Rowan joined the Irish Foreign Service as a diplomat.