This research aims to analyze the effect of Online Brand Community (OBC) on E-loyalty in the Indonesian e-commerce industry. This research was conducted by quantitative approach with the dependent variable of this research being e-loyalty (Y), and online brand community (X) as independent variable. The object includes all followers of Tokopedia, Bukalapak and OLX official Instagram accounts. The research uses a simple random sampling method and probability sampling techniques to 200 account users. Data analysis technique is implemented by using Structural Equation Modeling (SEM) with IBM SPSS AMOS version 22.0. The findings indicate the significant effect of online brand community on e-loyalty. The results theoretically imply the need for community engagement in online marketing as one of the online brand community’s dimensions which can give the contribution of e-loyalty building.