The University of Lodz Library is the largest library in the voivodeship of Lodz.

The University of Lodz Library has been operating since 1945, together with the University. It is a research and a public library. 
Its collections amount to about 2.5 million items. It has universal collections of books, particularly in the fields of knowledge represented at the University of Lodz - Humanities, History, Economy and Finance, Social nad Natural Sciences, and Law.

The Library delivers books and journals in printed and electronic versions. The library network of the University of Lodz is the Main Library (BUŁ) and the libraries of individual Faculties.