Siobhán O'Brien (born 24 August 1969 in Limerick, Ireland) is a singer-songwriter who performs with acoustic guitar and harmonica. O'Brien has performed with Bob Dylan, The San Diego Symphony, The Chieftains and supported such acts as Christy Moore, Donovan, Damien Dempsey, Pete Cummings, Sharon Shannon, Henry McCullough, Maria McKee, Mick Flannery, Paul Brady and the Cranberries. Her solo work incorporates traditions of American song, including folk, blues, country, rock and English, Scottish and Irish traditional music.