The University of Ilorin Library system consists of the Main Library at the permanent site, the College of Health Sciences library at University of Ilorin Teaching Hospital at Oke-Oyi and the Law Library situated in the Faculty of Law at the permanent site of the University.

Establishment of the University of Ilorin and the Library
The University was established in 1976 as a University College. The library was consequently opened in May, 1976.  The first University Librarian was Mr. B. A. Oni Orisan.  He assumed duty in August 1976.  Between 1976 and now the library has been headed by the following officers either in Acting capacity or as substantive University Librarian.

1. Mr. B.A. Oni-Orisan - 1976 -1990
2. Mr. Dokun Fadiran - 1990 - 1994 (Acting University Librarian)
3. Mr. R.A. Ukoh - 1994 (Acting University Librarian)
4. Mr. S.O. Fowowe - 1994 - August 2001
5. Mr. Afolayan - August 2001 - February 2002 (Ag. University Librarian)
6. Professor M.I. Ajibero - 2002 to 2006
7. Mrs. A. A. Adewoye - 2006 to 2010  (Acting University Librarian) 
8. Mrs. Joyce Ayodele Fadayomi  - 2010 to date  (Acting University Librarian)