The Church of Sant'Elia is a country church located in the municipality of Nuxis, a town in southwestern Sardinia. Consecrated to Catholic worship, it is part of the parish of San Pietro, diocese of Iglesias.
The church is located a few kilometers from the town, in the Tattinu River valley. Dating back to the Byzantine era, it was built with small, unhewn stones between the 9th and 12th centuries. It features a typical Greek cross plan, with barrel vaults and a central truncated cone dome.