Saint Mamertinus
Saint Gregory I (left) and Saint Mamertinus (14th century French manuscript)
Died	c. 462 AD
Venerated in	Roman Catholic Church
Feast	March 30
Attributes	depicted exhorting monks, lying on a mat in his cell before his death[1]

Saint Mamertinus of Auxerre (French: Saint Mamert) (d. ~462 AD) was a monk and abbot. He was converted by Germanus of Auxerre and became a monk at the Abbey of Saints Cosmas and Damian, Auxerre (later rededicated to Saint Marianus of Auxerre). He later served as its abbot.

• Saints of March 30: Mamertinus