The purpose of this study was to investigate the effect of job stress of professional dancers on organizational effectiveness. Specifically, we were investigated the effect of job stress on job satisfaction, organizational commitment (affective, normative, continuance), and turnover intention in organizational effectiveness. This study will be an effective way to improve the organizational performance. The data collection was conducted in professional dancers working in domestic professional dance groups such as National Ballet. A total of 300 questionnaires were distributed. A total of 257 questionnaires were used in the final analysis, except for 43 questionnaires that were inappropriate for the questionnaire response. Sampling was based on the convenience sampling method and the questionnaire was done by self-filling method. To analyze this study, we used IBM PASW 22.0 statistical package. The results of the analysis were as follows. First, interpersonal relationship had a significant effect on job satisfaction among job stress of professional dancers. Second, interpersonal relationship and external environment had significant influence on affective commitment and normative commitment among job stress of professional dancers. Third, surrounding expectation had significant influence on turnover intention during job stress of professional dancers. In conclusion, it was suggested that eliminating the job stress of professional dancers was important for enhancing organizational performance and organizational effectiveness.