This review aimed to identify the role of social networking in online communities to improve health literacy. We searched used electronic databases, namely Pubmed, EBSCO, Cochrane, Proquest, and Embase, from January 2012 to January 2022. Identification and screening were independent according to selection criteria. The electronic searches turned to 1.811 articles, nine of which met the inclusion criteria and were selected for study analysis. The findings showed that the roles of social networking in online community programs are Accessible avenues for information and experience sharing, self-managed care, social, emotional, psychosocial, and technical support. This scoping review concludes that social networking in online community programs can improve health literacy.