- Preserve and conserve the national imprint for reference and research and maintain the National Bibliographic Control through the issuance of the ISBN, publication of the Kenya National Bibliography, and Kenya Periodicals Directory.
- Promote, establish, equip, manage and maintain the National and Public libraries services in Kenya
- Promote information literacy and reading among Kenyans
- Enhance stakeholders participation in the equitable development of libraries throughout the country
- Advise the Government, local authorities, and other public bodies on all matters relating to library, documentation, and related services.