Severinus of Noricum was a Christian hermit and monk who lived during the 5th century in what is now Austria. He is known for his ascetic lifestyle and dedication to prayer, often retreating to the mountains to seek solitude. His life and teachings contributed to the spread of Christianity in the region, particularly among the local tribes. Severinus is often associated with the establishment of monastic communities in Noricum, which played a significant role in the Christianization of the area. His legacy is commemorated in various hagiographies, and he is recognized as a saint in the Catholic Church.