Hugh Albert O'Donnell, 2nd Earl of Tyrconnell (October 1606 – August/September 1642 ) (originally known in Irish as Aodh Ailbhe mac Rudhraighe Uí Dhomhnaill), was titular King of Tír Conaill, and son of Rory O'Donnell, 1st Earl of Tyrconnell whose title was however attainted in 1614. In adult life, he used the style Earl of Tyrconnell, Baron of Donegal and Lifford, Lord of Sligo and Lower Connaught, and Knight Commander of the Order of Alacantara.