Finola MacDonald, styled after her marriage as Dame Finola Ó Domhnaill or Finola, Lady Ó Domhnaill, and better known by the Irish nickname Iníon Dubh (pronounced in both Scots Gaelic and Ulster Irish as 'In-neen Doo'), was queen consort of Tyrconnell (fl. 1570–1608). She was the daughter of Séamus Mac Dhòmhnaill, 6th Laird of Dunnyveg (James MacDonald, 6th Laird of Dunnyveg), and his wife, Lady Agnes MacDonald (née Campbell), and became the second wife of Sir Aodh mac Maghnusa Ó Domhnaill (Sir Hugh McManus O'Donnell), king of Tyrconnell. She was the mother of eight children, including four sons. Her offspring included Hugh Roe O'Donnell, Rory, 1st Earl of Tyrconnell, and Cathbarr O'Donnell.