Dalmatius of Pavia was a Christian preacher and hieromartyr who lived in northern Italy during the third or fourth century. While historical details regarding his exact life and the circumstances of his death remain uncertain, he is traditionally associated with the region of Pedona, which is known today as Borgo San Dalmazzo. He is remembered as an evangelizer who spread the faith across various territories, including parts of Piedmont, Emilia, and Gaul.