Each Assumption University Campus maintains a large library with over 500,000 books and periodicals. In addition to the study facilities provided for students and instructors in the main libraries, there are reading areas in many other locations. These include the Catholic Education Council library and the Catholic library.

Hua Mak Campus

Location: St. Gabriel's Library
Contact: (66) 0-2783-2222 ext. 3403
Service Hours: Mon. - Fri. (8:00 a.m. - 4:30 p.m.)

Suvarnabhumi Campus

Location: Cathedral of Learning (CL Bldg.) 2^nd floor
Contact: (66) 0-2783-2222 ext. 2024
Service Hours: Mon. - Fri. (8:30 a.m. - 5:00 p.m.)