The specialized library of the University of Religions and Denominations is a rare collection of sources and references for the study of religions and denominations in several languages in Iran and the region. This library provides free access to library resources through the open shelf system for rcholars and researchers inside and outside the university. The software of this library is connected to google book and nosa book. The most important books and periodicals available in this library are on the topics of Islam, Christianity, Judaism, Hinduism, Buddhism and primitive religions. Also, the important encyclopedias of Islam, Christianity, Judaism and Zoroastrianism are among the important books of this library.

Currently, there are 150,000 Persian and Arabic books, 20,000 books in English and other Latin languages, 800 Persian magazine titles, 49 English magazine titles, 163,600 Persian article titles, 2,431 Persian thesis titles, 100 Latin thesis titles. And other scientific resources are available in the library.