The purpose of the present study was to investigate the mediating role of employee’s organizational commitment on the relationship between organizational culture and organizational performance. This study was descriptive and correlational research that was conducted through the survey method. The study population consisted of all employees in education office of Kerman province and 190 persons were selected as volume of sample by using Cochran’s formula. The data gathering tools were organizational culture, organizational commitment, and organizational performance questionnaires. Descriptive and inferential statistics (structural equation modeling through path analysis) were used to analyze the data. The data was analyzed using SPSS and AMOS softwares. The findings of the research indicated that suggested model had appropriate fit and organizational culture beyond its direct impact exerted indirect impact on organizational performance through the mediation of employee’s organizational commitment that the extent of indirect impact was significantly higher than direct impact.