Matronian

{{Infobox saint

|honorific_prefix= Saint

|name= Matronian

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|feast_day= December 14

|venerated_in= Roman Catholic Church

|image= 0471 - Milano - San Nazaro - Madonna e san Matroniano, secc. XV-XVI - Foto Giovanni Dall'Orto 5-May-2007.jpg

|imagesize= 250px

|caption= Madonna and Child and Saint Matronianus (detail). 15th century (the Madonna) and 16th century (Saint Matronianus) fresco in the nave of San Nazaro Maggiore in Milan.

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Matronian(us) ({{langx|it|San Matroniano}}) was a hermit of Milan. It is recorded that Ambrose enshrined Matronian's relics in the church of San Nazaro Maggiore in Milan.