Knowledge sharing is a characteristic of successful organizations. This study examines the influence of knowledge sharing on organizational performance in the public sector. The institutional analysis and development (IAD) framework is utilized to examine how organizational type (government and non-government) moderates knowledge sharing in the public sector. One hundred and five representatives from organizations, departments, projects, and programs working in the food security and nutrition industry in Cambodia participated in this study. The study results show that information quality, organizational commitment, and top management support influence knowledge sharing within the public sector. Government organizations place a greater emphasis on information quality than non-government organizations. Non-government organizations exhibit greater knowledge sharing and better performance than government organizations. Additional findings that have implications for academics and public sector practitioners are discussed. The study suggests that organizations need to secure top management support and employee commitment to facilitate knowledge sharing and ultimately improve organizational performance