
The Central Library of Astan Quds Razavi is a large library in Mashad, Iran. Established before 1457, it holds over 1.1 million volumes. It is an international center for Islamic research, containing numerous manuscripts and rare works of antiquity of Islamic history.

Central library and documents center of University of Tehran is the biggest academic library in Iran. It was built in 1350.

Malek National Museum and Library is a museum and national library in Tehran, Iran. Malek National Library and Museum Institution (MNLMI) is the first private museum of Iran, and one of the 6 large libraries holding the exquisite manuscripts. The MNLMI collection is a rich trove of the best manuscripts and Iranian historical artworks. The Institution is located in the historical precinct of “Bagh-e Melli”, that is considered the cultural-historical center of Tehran. Usually, the MNLM visitors are numerous university students and researchers, as well as tourists who enjoy its library and museum facilities. It is one of the biggest libraries of precious manuscripts in Iran, built by Hadji Hussein Agha Malek, the richest man in Iran at the time. He built it in a traditional Persian architecture style. One of the biggest contributors is Esat Malek Malek, Hadji Hussein Agha Malek's eldest daughter, who contributed to the museum's development.

The Ayatollah Marashi Najafi Library, in Qom, is the third largest library in Iran, after the Central Library of Astan Quds Razavi, and the Library of Parliament, as well as being the world's third largest Islamic library, with more than 250,000 books, 25,000 of them online.

The National Library and Archives of Iran (NLI) is located in Tehran, Iran, with several branches scattered throughout the city.
Sarouyeh was a large library in ancient pre-Islamic Iran. The 10th century chronicler Ahmad ibn Rustah refers to it as "Sarough" (ساروق). The Fars Nameh of Ibn Balkhi calls it Haft Halkeh.

Tarbiat Library is the first state library constructed in Iran, established in 1921 at Tabriz. The library was founded by Mahammad Ali Tarbiat, an Iranian journalist and politician, as the "Ma'aref public library and reading room" which was later renamed after its founder to Tarbiat Library.