San Salvatore in Campo, Roman Catholic church in Rione Regola, Rome, Italy

San Salvatore in Campo is a church in Rione Regola that received its current form during a major reconstruction in the 17th century. The building sits on a modest piazza near Santissima Trinità dei Pellegrini and displays the architectural language of that baroque period.

An earlier church on this site dated to the 10th century before falling into disrepair. Pope Urban VIII commissioned architect Francesco Peparelli in 1639 to rebuild it as the structure visitors see today.

The church is now sponsored by the Eritrean Orthodox Tewahedo Church, which holds its services here; the building itself remains a Roman Catholic church in the Rione Regola. The name "in Campo" may come from Abbot Campo of Farfa Abbey, who erected or restored the earlier church, or from the campi, the large unpaved plazas of medieval Rome.

The church is located in Rione Regola, a central residential neighborhood that is easy to explore on foot. The small piazza makes it a quiet place to visit without crossing major streets.

On 8 April 1751 Alessandro Cagliostro, later known as an occultist, married Lorenza Feliciani in this church. The sources give him no noble title, and the record of the marriage is the concrete link between the building and the couple.