Saint Zeno of Pavia was a Christian bishop and is recognized as a saint in the Catholic Church. He served as the bishop of Pavia, a city in northern Italy, during the 4th century. His life is celebrated for his dedication to the Christian faith and his efforts to spread Christianity in the region. Zeno is often associated with the Arian controversy, a theological dispute regarding the nature of Christ. He is venerated on April 12, and his feast day is observed in various Christian traditions. His legacy includes a strong influence on the development of the early Church in Italy.