Egilbert von Moosburg was a German Catholic bishop who led the diocese of Freising from 1005 until 1035. Born around 950, he held a significant position of influence during the early 11th century. He is notably remembered for his role as a mentor to Henry, the Duke of Bavaria, who eventually ascended to the throne as Holy Roman Emperor Henry III. His political and educational influence extended to the highest levels of the imperial court.