Fiachnae mac Ainbítha


Fiachnae mac Ainbítha or Fiachna mac Ainfítha was a Dál Fiatach king of Ulaid, which is now Ulster, Ireland. He was the son of Ainbíth mac Áedo,a previous king of Ulaid. He ruled briefly in 886.
In 883 he was responsible for the killing of his uncle Eochocán mac Áedo, leth-rí of Ulaid jointly with his other uncle, Airemón mac Áedo. Fiachnae succeeded Airemón as sole king in 886 but was promptly killed by his own associates.