Niall

Niall is a male given name of Gaelic origin, thought to mean "champion". It could also mean 'cloud' or 'passionate'.

Niall may also refer to:

  • Niall of the Nine Hostages, High King of Ireland who lived in the early-to-mid 5th century AD
  • Niall Caille mac Áeda, High King of Ireland in the 9th century AD
  • Niall Quinn, Irish former international footballer and chairman of the English club Sunderland A.F.C.
  • Niall Ferguson, Historian and the Laurence A. Tisch Professor of History at Harvard University
  • Niall O'Brien (cricketer), Irish cricketer
  • Niall Laverty, Irish mandolin virtuoso
  • Niall Horan, one of the five-part boyband One Direction