GC University Lahore Library came into existence in 1872. A proper library with an office and a reading room was established in 1937 in memory of Mian Fazl-i-Hussain, a renowned educationist. The library building was once again expanded in 1964. In 1999, the Postgraduate Library was established to enhance library activities. Recently another library namely Life Sciences Library was established by merging Botany, Zoology and Institute of Biotechnology departmental libraries. The total area of the all the GCU Libraries is more than 35000 sq. feet.
At present, it has a total numbers of 339,388 (Till December 2017) books including precious personal collections. The library receives 236 national and international journals.