Severinus of Sankt Pölten was a Christian monk and abbot who lived during the 5th century. He is best known for his role in spreading Christianity in the region of Austria. His monastic community was established in Sankt Pölten, which later became an important center for religious life. Severinus is often recognized for his dedication to the spiritual and social welfare of the local population. He is credited with performing miracles and providing guidance to those in need. His legacy continues to be celebrated in the Catholic Church, where he is venerated as a saint.