The purpose of this study was to examine the influence of depressive tendency perceived by elementary school students on their peer relationships through social network analysis. To do this, we examined between depressive tendency and centrality indicators within social network and analyzed where students who have a depressive tendency were positioned in the social network. The depressive tendency of elementary school students was measured by the self-report questionnaire, Using the Ucinet program the Social network computed, The three centrality
indicators-betweeness centrality, in-degree, closeness centrality-derived from the complete network of respondents who participated in the class were measured using a relational variable that was converted to a standardized score. We performed correlations between variables, regression analysis and stepwise regression to examine the effects of depressive tendency and subfactors on centrality indicators, and visualized differences between groups based on the level of depressive tendency. The study of 350 students from 13 classrooms of 11 elementary schools in the P city showed that First, the depressive tendency and the subfactors showed negative correlation with the three centrality indicators. Second, the higher the depressive tendency, the lower the centrality indicators. Third, stepwise regression analysis revealed that only the loss of interest and behavioral disability were significant factors in the centrality indicators. Finally, the high group with a depressive tendency had a lower centrality indicators of social networks compared to the middle and lower level of group. Based on results of this study, implications and limitations are discussed.