The Biblioteca Vallicelliana is a library in Rome, Italy. The library is located in the Oratorio dei Filippini complex built by Francesco Borromini in Piazza della Chiesa Nuova.
The library holds about 130 000 volumes of manuscripts, incunabula, and books. In this number about 3 000 manuscripts written in Latin, Greek, among them Bible of Alcuin from the 9th century, lectionary from the 12th century etc. The library holds documents from the time of the Reformation and Counter-Reformation.
