This study aim to analyze the influence of organizational commitment dimensions on job performance with organizational citizenship behavior as intervening variable. The subject in this study was white belt student of Persaudaraan Setia Hati Terate Ranting Bantul. In this study, sample of 79 respondents were selected using purposive sampling. Analysis tools used in this study is multiple regression and path analysis. Based on analysis that have been made the results are the affective commitment positive and significantly influence organizational citizenship behavior,continuance commitment not influence organizational citizenship behavior,normative commitment positive and significantly influence organizational citizenship behavior, organizational citizenship behavior positive and significantly influence job performance, affective commitment positive and significantly influence job performance, continuance commitment negative and significantly influence job performance, normative commitment negative and significantly influence job performance, organizational citizenship behavior not intervention the relationship between affective commitment and job performance, organizational citizenship behavior behavior not intervention the relationship between continuance commitment and job performance, organizational citizenship behavior can intervention the relationship between normative commitment and job performance.