Abstract: This research aims to examine the influence of organizational citizenship behavior in mediating organizational culture and commitment on the performance of employees of the Aceh Besar Public Works and Spatial Planning Department. In this study, the population was all employees of the Aceh Besar Public Works and Spatial Planning Department, totaling 185 employees. Because all members of the population were taken as respondents, the method used in this research was the census method. Data analysis in this research uses the Structural Equation Modeling (SEM) method. The research results show that employee performance, organizational citizenship behavior, organizational culture, and organizational commitment, organizational culture influences organizational citizenship behavior, organizational commitment influences organizational citizenship behavior, organizational culture influences employee performance, organizational commitment influences employee performance, organizational citizenship behavior influences employee performance, organizational citizenship behavior partially mediates the influence of organizational culture on employee performance, and organizational citizenship behavior partially mediates the influence of organizational commitment on employee performance. |