Augaire mac Ailella (with similar spellings like Ugaire and Aililla) was the king of Leinster, Ireland king who is said to have led the Irish forces at the Battle of Confey circa 915-917 AD. The Irish were defeated by Vikings under King Sigtrygg Caech (also called Sigtrygg Gael or Sithric the Blind) from Dublin. The Annals of the Four Masters said he was killed in the battle.