architect; b. 1570; d. 1655.
A pupil of Domenico Fontana. He was much employed as engineer, especially in laying out the harbour of Fano (Italy). About 1623 he built the church of S. Luca at Bologna. Rainaldi was one of the many architects called upon to make designs for the facade of the church of S. Petronio (Bologna). He was also employed by the Farnese and Este families, at Parma, Modena, and Piacenza. He returned to Rome in 1650, and built the Palazzo Pamfili, in the Piazza Navona.
Elevation of the same.
Plan of the Church of S. Lorenzo in Miranda, built on the remains of the Temple of Antoninus and Faustina.