Background: Authentic leadership has the power to affect nurses' behavior and job outcomes. As a leader, head nurses can utilize authentic leadership style to favorably influence nurses, increasing their creativity and innovative behaviors. Aim of the study: is to investigate the effect of authentic leadership training program for head nurses on nurses' innovative work behaviors at Minia University Hospitals Research design: A quasi- experimental research design was utilized in this study. Sample: The study subjects involved two groups, all head nurses worked in Minia University Hospitals (total no 81), and representative sample of nurses in Minia University Hospitals (total no 315). Three tools were used for data collection: Tool (I) Self-Administered Questionnaire for head nurses, Tool (II): Head nurse knowledge about authentic leadership, and Tool (III): Self-Administered Questionnaire for nurses. Results: there were (100%) of head nurses had high level of authentic leadership knowledge in immediate post-program and (96.5%) in post 3 months than pre-program (0.0%); also (65.4%) of them had high level of authentic leadership skills in immediate post-program and (63%) in post 3 months with statistically significant differences for both. Also, there were (53%) of nurses had high level of innovative work behaviors in immediate post-program and (40.6%) of them in post 3 months with statistically significant differences. Conclusions: Authentic leadership educational program have a positive significant effect on head nurses authentic leadership knowledge and skills, as well as positive effect on nurses innovative work behaviors. Recommendations: Provide head nurses periodic workshops to improve their authentic leadership skills to improve nurses innovative and empowered skills.