Church of San Mattia, Bologna, Former church and arts centre in via Sant'Isaia, Bologna, Italy.

San Mattia is a deconsecrated church at 14 via Sant'Isaia in Bologna, built between 1575 and 1588 by Pietro Fiorini to a design by Antonio Morandi, known as Il Terribilia. Its pale plastered facade has a gabled upper section with a curved recess and two pointed vertical elements, above a projecting arcade of three round arches on tall plain columns. The former convent buildings now house a school and the Istituto Storico Parri.

The original complex outside Porta Saragozza was destroyed in 1537, leading to construction at the current location. After French occupation in 1799, the building changed hands several times before becoming an arts center.

The church's name comes from the nuns of San Mattia, guardians of the Basilica of San Luca. Each year the image of the Virgin of San Luca stopped here for two days during its procession. Since the 1830s the former convent has housed a school, and today the ex-convent rooms hold the Istituto Storico Parri Emilia-Romagna and the Museo della Resistenza di Bologna.

The deconsecrated church at via Sant'Isaia 14 opens to the public only during exhibitions or conferences, so check what is scheduled before setting out. The former convent rooms next door house the Istituto Storico Parri Emilia-Romagna and the Museo della Resistenza di Bologna, which can be visited separately.

The church was deconsecrated and used as a warehouse until the end of the 1970s, when the city council sold it and part of the former convent to the Emilia-Romagna architectural superintendency. Restoration ran from 1981 to 1994. Since December 2014 the Ministry of Culture has managed it through the regional museum body, and it opens only for exhibitions and conferences.