The Nazario Sauro-class are a class of eight submarines operated by the Italian Navy. All boats were built by Fincantieri in Monfalcone. They were built in four batches of two submarines each.
- ITS Nazario Sauro (S518) - museum ship in Genoa, Italy.
- ITS Carlo Feccia di Cossato (S519)
- ITS Leonardo da Vinci (S520)
- ITS Guglielmo Marconi (S521)
- ITS Salvatore Pelosi (S522)
- ITS Giuliano Prini (S523)
- ITS Primo Longobardo (S524)
- ITS Gianfranco Gazzana Priaroggia (S525)