The purpose of this study was to determine and analyze the effect of Transformational Leadership and Organizational Culture on the Turnover Intention of employees in insurance companies through Mediation from Organizational Commitment. The survey uses a sample of 100 of 113 Life Insurance Employees 'XYZ'. This study uses a quantitative approach and the data source is primary data. The data were analyzed with Smart PLS 3 to get the SEM model and the results of the hypothesis. Based on the results of hypothesis testing, shows that Organizational Culture has a significant effect on Organizational Commitment and Turnover Intention and Transformational Leadership has a significant effect on Organizational Commitment and a positive effect on Organizational Culture, but Transformational Leadership has no significant effect on Turnover Intention. Organizational Commitment can mediate between Organizational Culture and Transformational Leadership on Turnover Intention.