This research explores the connections between employees’ views on Corporate Social Responsibility (CSR), the alignment between individual’s and the organization, and employee performance in workplace-environments. It examines how perception toward CSR influences employee performance, with person-organization fit serving as a mediating variable. The increasing focus on CSR as a strategic tool for organizational success necessitates understanding its impact on employee-level outcomes. Data were gathered from employees through structured questionnaires designed on three key constructs: perceptions of CSR, person-organization fit, and employee performance. Responses were collected from 341 employees working in public sector units (PSUs) using purposive sampling. Hypothesis testing and model evaluation were performed utilizing Partial Least Squares Structural Equation Modeling (PLS-SEM). The findings demonstrate that perceptions of corporate social responsibility (CSR) significantly affect person-organization fit, which subsequently enhances employee performance, underscoring its mediating role in the CSR-performance relationship. These results emphasize the importance of CSR initiatives in promoting alignment between employees and organizational values, thereby improving performance outcomes. By exploring the mediating role of person-organization fit, this study adds to the growing body of research on CSR and its effects on employee performance.