Gurthiern

File:Procession des saints de Bretagne - diocèse de Rennes, cathédrale saint Pierre, Rennes, France.jpg

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Gurthiern (also Guthiern, Gunthiern, and Gunthiernus) was a Welsh prince. According to the Vita sancta Gurthierni, he became a hermit in Brittany and founder of an abbey at Kemperle (Quimperlé). He is a Catholic and Orthodox saint with a feast day on 3 July.{{cite web |title=Saint Gunthiern |url=http://catholicsaints.info/saint-gunthiern/ |website=CatholicSaints.Info |accessdate=9 January 2020}}