| Church of St. Mary of the Priory | |
|---|---|
| Church of St. Mary on the Aventine | |
Chiesa di Santa Maria del Priorato | |
 Façade of the Church of Our Lady of the Priory | |
 | |
| 41°52′59.8″N 12°28′38.6″E / 41.883278°N 12.477389°E | |
| Location | Rome, Italy |
| Denomination | Catholic |
| Website | Official website |
| History | |
| Status | national church of Malta |
| Founded | 939 |
| Founder(s) | St. Odo of Cluny |
| Associated people | Knights of Malta |
| Architecture | |
| Architect(s) | Giovanni Battista Piranesi (renovation) |
| Architectural type | Church |
| Style | Neo-classical |
| Years built | 1765 |
| Completed | 939 (original building), rebuilt 1550s, 1766 (renovation) |
| Specifications | |
| Length | 31 metres (102 ft) |
| Width | 13 metres (43 ft) |
The Church of St. Mary of the Priory (Italian: Chiesa di Santa Maria del Priorato), also known as St. Mary on the Aventine (Italian: Santa Maria in Aventino), is the monastery church of the Priory of the Knights of Malta on the Aventine Hill in Rome, and is dedicated to the Blessed Virgin Mary.