The organizational culture, which interacts with almost all of the organizational processes (especially organizational communication processes), is affected by the human element within the organization and it is evaluated as a living organism by moving the changes in daily life to organizational life.

The main subject of this study is the effects of organizational communication on the type of organizational culture and the change that occurs when the social media variable becomes involved in this relationship. In this context, in Turkey’s four big cities, among which there are two metropolis and two metropolitan municipalities, which can represent Turkey, a questionnaire was applied to employees and managers. According to the results, it was revealed that organizational communication affects the type of organizational culture at a high level (positive direction), and the use of social media affects the type of organizational culture at a medium level (positive direction). When the use of social media is a mediator variable, it has been shown that organizational communication, by affecting the use of social media, affects the type of organizational culture positively. When the use of social media is included in the model as an intermediary variable, the effect of organizational communication on the type of organizational culture still exists and only the extent of this effect has decreased slightly.