The Basilica della Santissima Trinità di Saccargia (Italian pronunciation: [baˈziːlika della sanˈtissima triniˈta ddi sakˈkardʒa]) (English: "Basilica of the Holy Trinity of Saccargia") is a church in the comune of Codrongianos, northern Sardinia, Italy.
The construction is entirely in local stone (black basalt and white limestone), with a typical appearance of Pisan Romanesque style.
The church was finished in 1116 over the ruins of a pre-existing monastery, and consecrated on October 5 of the same year.
It was later enlarged in Pisane style, including the addition of the tall bell tower.
The portico on the façade is also probably a late addition, and is attributed to workers from Lucca.