Gavinus was a Christian priest and hieromartyr who lived during the early 4th century. Born in Gabii, he was eventually martyred in Porto Torres, located in Ancient Rome. He is recognized as one of the Martyrs of Torres, alongside his companions Protus and Januarius. According to historical accounts and legends, his death occurred during the persecutions led by the Roman authorities, specifically under the orders of the governor Barbarus. He is venerated within the Catholic and Orthodox traditions.