Background: Servant leadership is a style for leading that prioritize the needs of others and creates a psychologically safe environment, such that employees feel protected and can express their concerns this psychological safety contributes to work engagement. Aim of the study: assess the effect of servant leadership training program on head nurses' work engagement. Research Design: Aquasi-experimental research design one group pretest and posttest utilized in this study. Setting: The study was conducted at El-Fayoum University Hospitals. Subjects: The study subjects included all head nurses and their assistants (N =80) who are working in El-Fayoum University Hospitals. Tools of data collection: The data were collected by using three tools namely: Servant leadership knowledge questionnaire, Servant leadership questionnaire (leader form) and Utrecht work engagement scale. Results: The study results revealed that there was a highly statistically significant improvement in head nurses' total servant leadership knowledge in post and follow up phase as compared to the pre intervention phase. Additionally; there was a highly statistically significant improvement in head nurses' servant leadership behavior and work engagement in post and follow up phase as compared to the pre intervention phase. Conclusion: Implementing servant leadership training program was effective in enhancing head nurses' work engagement. Recommendations: Servant leadership topics should be included in nursing curricula given its importance in preparing future leaders.