Hugh O'Donnell
Hugh O'Donnell may refer to:
- Hugh O'Donnell (labor leader), American leader of the Homestead Steel Strike of 1892
- Hugh O'Donnell (priest), American priest and President of the University of Notre Dame
- Hugh O'Donnell (footballer), Scottish professional footballer
- Hugh O'Donnell (artist), English painter and printmaker
- Hugh O'Donnell (politician), Scottish politician
Irish noblemen
- Hugh Roe O'Donnell (died 1505), King of Tyrconnell
- Hugh Duff O'Donnell, Gaelic Irish nobleman
- Sir Hugh O'Donnell, Gaelic Irish lord
- Hugh Roe O'Donnell, Lord of Tyrconnell and military leader during the Nine Years' War
- Hugh Dubh O'Donnell, Gaelic Irish nobleman
- Hugh O'Donnell, 2nd Earl of Tyrconnell, Irish-born nobleman and soldier
- Hugh O'Donnell (died 1625), Irish-born soldier, son of Cathbarr O'Donnell