The Biblioteca Nacional del Perú is the national library of Peru, located in Lima. It is the country's oldest and most important library. Like the majority of Peruvian libraries, it is a non-circulating library.
The library was founded by José de San Martín in 1821, after he donated his collection of books and praised the new library as: "... one of the most efficient mediums to place into circulation our intellectual values". The library has various duties, among which it must formulate, conduct, supervise, and evaluate the fulfillment of policies and plans of development of library service within a national and international sphere for educational purposes. These and other administrative decisions concerning the library also depend on the ministry of education of the country.