Today, highly competitive conditions, numerous alternatives for consumers, and rapidly changing market conditions make it increasingly difficult for businesses to survive. For these and many other reasons, businesses have had to transform themselves to remain relevant, create efficient working environments, and get one step ahead of the competition. As a result, concepts such as employee attitudes and behaviors, manager-employee relationships, leadership styles, organizational commitment, and organizational communication have become crucial for businesses. The purpose of this research is to examine the effect of the leadership styles of managers on the organizational commitment of employees and investigate the mediating role of corporate (organizational) communication in this relationship in order to contribute to the literature and act as a guide for managers. In this context, leadership styles, organizational commitment, and corporate (organizational) communication are discussed along with relevant theoretical frameworks, and these theories are supported by survey research conducted with public employees working in municipalities on the European Side of Istanbul.