Irkhard was a bishop serving the Pictish people in Scotland, likely during the 5th or 7th century. Born in Kincardineshire, he is recognized as a disciple of Saint Ternan, the patron of Abernethy Cathedral. Historical accounts regarding his life vary, suggesting he may have been consecrated as a bishop either by Ternan or by Pope Gregory the Great in Rome. He is remembered for his missionary work among the Picts.