This study aimed to investigate the relationship between ethical leadership and knowledge sharing with the mediating role of psychological empowerment of teachers. This is a descriptive, correlational research. The population included all primary school teachers in 1395 academic year in Bijar city amounting to 500 teachers. 217 teachers were selected through stratified proportional sampling as the sample. For data collection, ethical leadership questionnaire, knowledge sharing scale and empowerment scale were used. For data analysis, structural equation modeling of PLS was used. The results showed that ethical leadership directly ( =0. 32) is based on and knowledge sharing impact, ethical leadership directly ( =0. 714) affects psychological empowerment, and psychological empowerment directly ( =0. 271) affects knowledge sharing. Also, the impact of ethical leadership on knowledge sharing is indirect by the mediator variable of psychological empowerment ( =0. 37). In other words, it can be said that ethical leadership with the mediating role of psychological empowerment increases knowledge sharing ( =0. 37) among school teachers.