Institutional Repository UIN Sunan Kalijaga YogyakartaPENGARUH ETHICAL LEADERSHIP, ORGANIZATIONAL CULTURE, DAN ORGANIZATIONAL CITIZENSHIP BEHAVIOR TERHADAP PSYCHOLOGICAL WELL - BEING: BANK MUAMALAT INDONESIA DI WILAYAH SULAWESI SELATANNIM.: 21108020141Maqbul Hs ParamatanegaraauthorThis study aims to analyze the influence of Ethical Leadership, Organizational Culture, and Organizational Citizenship Behavior (OCB) on employees’ Psychological Well-Being at Bank Muamalat Indonesia, in South Sulawesi. This research is motivated by the importance of employees’ psychological well-being in supporting organizational performance, particularly in Islamic banking institutions that emphasize ethical values, supportive organizational culture, and positive voluntary work behavior. This study employed a quantitative approach. with data collected through questionnaires. The respondents consisted of 60 employees of Bank Muamalat Indonesia in South Sulawesi selected using the purposive sampling technique. Data analysis was conducted using Partial Least Square – Structural Equation Modeling (PLS-SEM) with the assistance of SmartPLS 3 software. The results show that Ethical Leadership, Organizational Culture, and Organizational Citizenship Behavior have a positive and significant effect on employees’ Psychological Well-Being. Ethical Leadership has a positive effect with a coefficient value of 0.316, Organizational Culture 0.266, and Organizational Citizenship Behavior 0.363, making OCB the most dominant variable influencing Psychological Well-Being. These findings indicate that ethical leadership practices, supportive organizational culture, and positive voluntary employee behaviors contribute to creating a psychologically healthy work environment. This study implies that organizations need to strengthen ethical leadership practices, maintain a collaborative organizational culture, and encourage healthy Organizational Citizenship Behavior in order to enhance employees’ psychological well-being. Therefore, human resource management should not only focus on achieving organizational performance but also emphasize the balance between productivity and employee well-being within the organization.332.1 Banks/Bank, Perbankan2026-08-24UIN SUNAN KALIJAGA YOGYAKARTA;FAKULTAS EKONOMI DAN BISNIS ISLAMThesis

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