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.
The library was established in 1565 by Filippo Neri. In 1699Leone Allacci presented to the library 243 volumes, 137 Latin and 106 Greek (Fondo Allacci), in 1764 Giuseppe Bianchini presented 293 volumes (Fondo Bianchini), in 1843 Ruggero Falzacappa presented 79 volumes of documents from 17-19th centuries (Fondo Falzacappa).
In the library are housed the biblical manuscripts: Minuscule 169, 170, 171, 393, 394, 397.
Coordinates: 41°53′53″N 12°28′10″E / 41.8981°N 12.4695°E