Nowadays, although the technology keeps developing, the quantity of human resources who have competence and expertise in sharia economic continues to be minimum. It gives several direct impacts on sharia banking. One of the direct impacts is high turnover intention. The purpose of this study was to look at the Transformational Leadership effect, Perceived Organizational Support, and Workload on Turnover Intention in one of sharia banking in Jakarta. Samples of the study were employees who worked at one of sharia banking in Jakarta. Sampling was conducted using nonprobability techniques, which is purposive sampling with the Slovin formula of 101 people. This study was conducted quantitatively, and the analysis method used in this study was multiple linear regression analysis. The results of the study showed that transformational leadership, perceived organizational support and workload variables have a significant effect on turnover intention. The result of the study also showed that what affects turnover intention the most is workload. It was proven by the results of the simultaneous test (F test) and partial test (t-test) which showed the numerous value of three independent variables that supported the hypothesis.