Turnover and moral distress are considered as one of the challenges in health care systems. Nursing leaders are one of the factors influencing the thoughts and behaviors of nurses in organizational environments. The aim of this study was to determine the relationship between ethical leadership, moral distress and the turnover intention of nurses working in hospitals affiliated to Kerman University of Medical Sciences in 2019-2020. The research method was descriptive-correlation. A total of 130 participants were enrolled by stratified sampling method from 3 hospitals. Data were collected using demographic information questionnaires, Ethical Leadership in Nursing, moral distress, and turnover intention. Then data were analyzed using descriptive and inferential statistics by SPSS software version 16. The results showed that ethical leadership and all its components were at the desired level. Also, moral distress and intention to leave were moderate. There was a significant negative correlation between ethical leadership and all its dimensions with the turnover intention and moral distress. Also, there was a significant positive correlation between the variables of turnover intention and the moral distress. Therefore, considering the significant relationship between ethical leadership, moral distress, and the turnover, by adopting this type of leadership approach by nursing managers, moral distress and the turnover intention among nurses can be reduced.