Background: Psychiatric nurses encounter a vast amount of work-related pressures in caring for psychiatric patients that increased during COVID 19 pandemic. The ability to cope with different stressful situations, keep up mental health and engagement in work are vital to maintain patient care quality. So, this study aimed to assess resilience skills in relation to psychiatric nurses' work engagement and mental health in facing COVID-19 pandemic. Method: Correlation cross-sectional design was used. The current study was conducted at Tanta Mental Health Hospital affiliated to the Ministry of Health and Population. Subjects included 84 psychiatric nurses. Tools: Tree tools were used to collect the present study data. Tool I: Nurses' Resilience Skill Scale, Tool II: Utrecht Work Engagement Scale and Tool III: General Health Questionnaire. Results: 42.6 % of the psychiatric nurses had a low level of resilience skill, 45.2 % of them had a low level of work engagement, 57.1% of them had a high level of vigor engagement and 79% of them had a high distress. Conclusion: During COVID-19 pandemic psychiatric nurses' resilience was found to have positive significant association with their work engagement and mental health.