St. Mary's College Library is the first public library in Thrissur District. The Library was inaugurated by the Then Minister for Revenue Sri P.J. Joseph. The College library caters to the academic and co-curricular needs of the staff and students. The present college library building started functioning on 19th December 1986. The college Library has launched an Online Digital library with the help of MP Fund of Rs. 5.50,000 which was proposed by Hon’ble MP of Thrissur LSC, Sri C.N. Jayadevan under the MPLADS of 2015-16. The Library was inaugurated by Hon. MP Sri C.N. Jayadevan on 08/11/2016. Anybody can access the Digital Library clicking the link http://111.92.84.71:8080/jspui/