The methods of Meta-analysis and SEM are used to synthesize the studies from 2000-2013 inquiring about relationships among knowledge sharing, organizational learning and organizational performance. The main findings of this study include: There is the significant correlation among knowledge sharing, organizational learning and organizational performance. The examination of moderator effects yielded important result: the source of literature affects heterogeneity, but others are not. As a result, some suggestions are provided for organizational performance based on knowledge and future research.