Patricius may refer to:

• Patricius, a leader of the War against Gallus, a 4th-century Jewish revolt
• Patricius, father of Saint Augustine of Hippo
• Patricius (butterfly), a genus of gossamer-winged butterflies
• Patricius (prince), 14th-century ruler of two Russian principalities
• Patrician, a title in the Roman Republic and in the Roman Empire
• Saint Patrick

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