Purpose This study aims to explore the pivotal role of libraries in combating misinformation and disinformation in the contemporary information landscape, emphasizing their significance as guardians of information integrity. Design/methodology/approach Drawing on a review of literature and surveying librarian perspectives, this study examines the multifaceted strategies used by libraries to address misinformation and disinformation. It delves into the roles of librarians in distinguishing between different forms of false information, promoting information literacy and fostering community engagement. Findings Libraries serve as bastions of knowledge, curating diverse and reliable resources while actively combating false information through educational initiatives, technological innovations and community outreach. Librarians play a crucial role in empowering users with the skills to critically evaluate information and navigate the complexities of the digital age. Originality/value This study contributes to the scholarly discourse by highlighting the evolving role of libraries as guardians of information integrity in the face of misinformation and disinformation. It underscores the importance of libraries in promoting a more informed and resilient society, enriching public discourse with the values of truth and understanding.