Background: Ethical leadership has meaningful influence on the attitudes and ethical conduct of nurses
and increased sense of perceived organizational support from hospital and decreased engagement in
deviant workplace behaviors. The study aimed to assess ethical leadership, deviant workplace behaviors
and itʼs relation to perceived organizational support among nurses. Design: A descriptive correlational
research design was utilized. Setting the study was conducted in Critical Care Units at Benha University
Hospitals. The study sample composed of (230) nurses Tools: Three tools were used for data
collection; Ethical Leadership Scale, Deviant Workplace Behaviors Scale and Perceived Organizational
Support Questionnaire. Results: more than half (52.6) of nurses had moderate ethical leadership
perception level, the majority of nurses (89.6%) had negative prevalence of deviant workplace behaviors
perception level and more than half (55.7%) of nurse were had moderate perceived organizational
support level. Conclusion: There was a negative statistically significant correlation between ethical
leadership perception level and deviant workplace behaviors perception level and between deviant
workplace behaviors perception level and perceived organizational support level. Additionally, there
was a positive statistically significant correlation between ethical leadership perception level and
perceived organizational support level. The study recommended that: Hospital management put system
for rewarding and supporting nurses who behave ethically and serving as ethical role models by
providing different kinds of bonuses and incentives, Hospital management create strategies that promote
supportive work environment and reduce workplace deviance behaviors such as rewards, flexible work
schedules, fair pay and benefits, safe working conditions, and training. Hospital management provides
promotion and fairness system through distributing resources for nurses equally.