This study aims to demonstrate the factors influencing the organizational commitment of banking employees. The study surveyed 232 employees working in the commercial banking system in Vietnam. By combining qualitative and quantitative research methods, the study has shown that employees’ commitment to the organization is influenced by 8 factors, including the work environment, corporate culture, organizational support, job nature, training and development, income and benefits, peer relationships, and leadership style. Among these factors, leadership style is the most significant factor affecting employees’ commitment to the organization. The research results contribute to providing insights for managers to enhance the employees’ commitment to the organization in the banking sector.