This study investigated Access and Utilization of Special Information Resources in Kashim Ibrahim Library by Postgraduate Students in Ahmadu Bello University, Zaria. In order to achieve this objective, seven (7) research questions were developed and answered. Survey research method was adopted to conduct the study. The population of the study comprised 8,087 postgraduate students and Head of RBSD who was the custodian of special information resources. A structured questionnaire was administered. The data collected for the study were presented and analyzed using descriptive statistics such as frequency distribution tables, and percentages. The research findings revealed amongst others that postgraduate students have access and also utilize some special information resources provided by the Research and Bibliographic Services Division (RBSD) of K.I.L., A.B.U., Zaria. The study revealed that postgraduate students were more aware of thesis/dissertations, Africana newspapers, and Africana books. Methods put in place in order to ensure access of special information includes, University Digital Repository, physical access by RBSD staff, use of Card Catalogue and use of Online Public Access Catalogue (OPAC). The special information resources that were extensively used were thesis/dissertations, Africana newspapers, Africana books and scrap books. The study also found out that postgraduate students were also highly satisfied with the use of thesis/dissertations, rare books and Africana books. The study concluded that the effort made in giving qualitative resources to users can only succeed by creating an avenue for periodic seminars, workshops and lectures on the various special information resources that are available in Research and Bibliographic Services Division, K.I.L., A.B.U., Zaria. It recommends that the library management should make available all types of special information resources for access and use of postgraduate students in line with global best practices.