This study aims to examine the effect of job satisfaction, organizational commitment and work motivation on Organizational Citizenship Behavior (OCB). This study uses a causal analysis design with quantitative research methods. The population in this study were all employees of PDAM Tirta Jeneberang, Gowa Regency, totaling 210 employees. As for the samples in this study, employees of PDAM Tirta Jeneberang Gowa Regency, the number of samples to be taken was determined by the slovin formula with an error rate of 5% so that the number of samples was determined as many as 50 which were then taken randomly without regard to class, age and gender. The data that has been collected will then be analyzed using multiple linear regression analysis with data analysis techniques used in this study are descriptive analysis, classical assumption test and multiple linear regression analysis, and in terms of processing the data using the SPSS version 26 program. The results of the research in finding that there is a positive and significant effect of job satisfaction, organizational commitment and work motivation on Citizenship Organizational Behavior in PDAM Tirta Jeneberang Gowa.