Background and objective: The aim of this study is to define the level of organizational citizenship behavior and perception of organizational justice and related factors in employees of Cukurova University Hospital. Methodology: Our sample consisted of 159 employees. Data was collected with a sociodemographic questionnaire, Organizational Citizenship Behavior Scale, and Perception of Organizational Justice Scale. Results: All subdomain scores of organizational citizenship behavior were at the lowest quartile. Three out of four subordinates scores of perception of organizational justice were in moderate-high group. Only informational justice score was in low-moderate group. The significant related factors for all subdomains of organizational citizenship behavior were number of children, occupation, and tenure. Age was significantly related to all subordinates except civic virtue. Gender was significantly related to courtesy and sportsmanship. Perception of organizational justice was significantly related to age, number of patients per day, and the department where the participant works. Organizational citizenship behavior was significantly correlated with perception of organizational justice. Conclusion: As the level of organizational citizenship behavior were found to be low and the level of perception of organizational justice were found to be moderate-high in employees of Cukurova University Hospital, interventions are required to improve the level of organizational citizenship behavior and informational justice.