This research was conducted with the aim of determining the relationship between authentic leadership and job enthusiasm and employee productivity of Tehran Municipal Sports Organization. The research is applied in terms of purpose and correlational in terms of strategy, and it was carried out by field method. The statistical population of this research is all the employees of Tehran Municipal Sports Organization, numbering 332 people. The statistical sample of the research includes 178 people from the mentioned society. In addition, the sampling method of random research is simple. The measurement tools include authentic leadership questionnaire by Asil Walumba (2008) with Cronbach's alpha coefficient of 0.91, Scafley's job enthusiasm questionnaire (2006) with Cronbach's alpha coefficient of 0.87, and Sedaghati's human resources productivity questionnaire (2011) with Cronbach's alpha coefficient of 0.93. In this research, descriptive statistics indicators were used to describe demographic findings and research variables. In addition, in order to determine the normality of data distribution, the Kolmogorov-Smirnov test and the relationship between the research variables, Pearson's correlation coefficient was used. The results showed that the average of authentic leadership and its components, i.e. internal moral perspective, comprehensive processing of information and transparency of relationships in employees is lower than average, and the only component of self-awareness is higher than average. It is more than average in job enthusiasm and employee productivity. At the same time, there is a direct and meaningful relationship between authentic leadership and its components, i.e. self-awareness, internal moral point of view, and comprehensive processing of information, with the job enthusiasm of Tehran Municipal Sports Organization employees, but there is no significant relationship between the component of relationship transparency and job enthusiasm. Also, there is a direct and meaningful relationship between authentic leadership and the productivity of Tehran Municipal Sports Organization employees.