The Carceri Nuove ([ˈkartʃeri ˈnwɔːve]; "New Jails") was a prison built in the mid-17th century at the instigation of Pope Innocent X and his ideals of humanity and clemency.

The building is in Rome, in the Regola Rione, about halfway down Via Giulia (at n. 52), in an area cleared by demolitions which started in 1938 for the construction of a road between ponte Mazzini bridge and Corso Vittorio Emanuele.

[3] The pope had seen, while he was Uditore of the Sacra Rota tribunal, the inhuman conditions in which the prisoners of Tor di Nona jail lived.

[5] Virgilio Spada, "deputato sopra la Congregazione delle Carceri di casa Giulia" and brother of Cardinal Bernardino, had the survey of Corte Savella carried out and commissioned Del Grande to draw up a restructuring project, but Innocent X decided to build a new prison between Via Giulia, the Tiber and Piazza Padella.

[3] The philosophy that created this prison was inscribed on the front door:[3] IVSTITIAE ET CLEMENTIAE / SECVRIORI AC MITIORI REORVM CVSTODIAE / NOVVM CARCEREM / INNOCENTIVS X PONT.

[3][6] However, before its inauguration the building was used during the 1656 plague epidemic as a stufa (from the German word stube -something between a Roman bath and a modern sauna) where those who were in quarantine in San Pancrazio and Sant'Eusebio were washed.

[4] The Carceri Nuove remained operative until the inauguration of the Regina Coeli Prison at Via della Lungara, being used for preventive custody.

[5] It was organized in two blocks: the one of the representations and the parlors, on Via Giulia, and the one of the dungeons towards the Tiber; the two bodies are connected by a gallery open on the side courtyards.