Montelibretti is a town and comune (municipality) in the Metropolitan City of Rome in the Italian region of Lazio, located about 30 kilometres (19 mi) northeast of Rome on the slopes of Monti Sabini.

Montelibretti borders the following municipalities: Capena, Fara in Sabina, Fiano Romano, Monterotondo, Montopoli di Sabina, Montorio Romano, Moricone, Nerola, Palombara Sabina.

The hamlet Borgo Santa Maria is a part of the town administratively.

The name derives from the presence of a Roman villa owned by Caius Brutius Presentis, Commodus' father-in-law.

In the Middle Ages, starting from the 15th century, it was a fortress of the Orsini, who were succeeded by the Barberini and then by the Sciarra.