PurposeJust culture refers to a culture that encourages members of an organization to exchange important safety information and compensates them when they perform such information exchanges. The establishment of a just culture in hospital organizations might be an important means of enhancing patient safety incident reporting. This study aimed to investigate the impact of just culture on the attitudes and behaviors toward patient safety incident reporting in perioperative nurses. MethodsA nationwide cross-sectional survey was performed using structured questionnaires. The participants were 208 perioperative nurses in tertiary general hospitals in South Korea. Data were collected by self-reported on-line questionnaires, from August to September 2020. Data were analyzed with descriptive statistics, independent t-test, chi-square test, Fisher’s exact test, one-way ANOVA, Scheffé test, Pearson's correlation analysis, Spearman rank correlation analysis, hierarchical multiple regression, and hierarchical logistic regression using the SPSS WIN 23.0 program. ResultsHierarchical multiple regression analysis revealed that just culture explained an additional 34.5%p of the attitudes on patient safety incident reporting. Hierarchical logistic regression analysis showed that just culture was a significant predictor of behaviors regarding patient safety incident reporting (odds ratio = 2.25, p = 0.017). The final regression model accounted for 16.0% of the behaviors regarding patient safety incident reporting. ConclusionsThis study empirically shows that just culture impacted the attitudes and behaviors regarding patient safety incident reporting in perioperative nurses. This study provides an evidence about the importance of the just culture in every day nursing practice setting. Personnel and organizational efforts for improving or implementing just culture are required to ensure greater patient safety by enhancing the patient safety incident reporting of perioperative nurses in hospitals.