Santa Maria della Piazza, Ancona

Santa Maria della Piazza is a church in Ancona, central Italy.

The church, a fine example of Romanesque architecture in the city, was erected between the 11th and the 12th centuries. Before its construction, the site was home to two small Palaeo-Christian churches, dating to the 6th and 7th centuries. Part of the current church's pavement is in glass to allow visibility to some of the remains of the latter.

The building has a rectangular plan, with a nave and two aisles, and a raised apse. The lower part of the façade has numerous blind arches and, in the middle, a statue of the Virgin Mary. At the top, dating to the reconstruction after the 1690 earthquake, is a rectangular window. The master of the façade was one Master Filippo, while the arched portal is attributed to one Master Leonardo. Master Filippo was also responsible of the reconstruction of the Romanesque cathedral of San Leopardo and of Santa Tecla at Osimo.