Santa Susanna, Rome

Santa Susanna at the Baths of Diocletian
Santa Susanna alle Terme di Diocleziano
Baroque façade of Santa Susanna by Carlo Maderno (1603).
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41°54′15.3″N 12°29′37.1″E / 41.904250°N 12.493639°E / 41.904250; 12.493639
Location14 Via XX Settembre, Rome
CountryItaly
DenominationCatholic
TraditionRoman Rite
Religious orderCistercians (nuns)
History
StatusTitular church, parish church
DedicationSaint Susanna
Consecrated330
Architecture
Architect(s)Carlo Maderno
Architectural typeChurch
StyleBaroque
Groundbreaking4th century
Completed1603
Specifications
Length45 metres (148 ft)
Width17 metres (56 ft)

The Church of Saint Susanna at the Baths of Diocletian (Italian: Chiesa di Santa Susanna alle Terme di Diocleziano) is a Catholic parish and Cistercian conventual church located on the Quirinal Hill in Rome, Italy. There has been a titular church associated to its site as far back as AD 280. The current church was rebuilt between 1585 to 1603 for a community of Cistercian nuns founded on the site in 1587 and still based there.

The church served as the national parish for residents of Rome from the United States from 1921 to 2017, during which period the pastoral work of the parish was assigned to the Paulist Fathers, a society of priests founded in the United States. The Paulist Fathers' ministry to United States Catholics subsequently moved to San Patrizio (Saint Patrick).