Abstract This study investigates the influence of Strategic Human Resource Management (SHRM) and Organizational Justice on Institutional Integrity within the Indonesian National Police, with Psychological Safety acting as a mediating variable. A cross-sectional survey was conducted with 100 police personnel from various units, and the data were analyzed using Partial Least Squares Structural Equation Modeling (PLS-SEM).The results show that SHRM and Organizational Justice significantly enhance both Psychological Safety and Institutional Integrity. Specifically, SHRM had a stronger direct impact on Psychological Safety (β = 0.585) and Institutional Integrity (β = 0.333) compared to Organizational Justice (β = 0.464 and β = 0.233, respectively). Psychological Safety also showed a significant positive effect on Institutional Integrity (β = 0.410), confirming its role as a mediating mechanism. Theoretically, this study contributes to public sector ethics by integrating psychological safety into models of institutional integrity. Practically, it highlights the importance of value-based HR strategies and justice-driven managerial practices in fostering ethical resilience in hierarchical public organizations.
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