The subject of research is communication styles and leadership styles in management, and the links between them. The purpose of this research is to set the theoretical foundations of communication styles, to connect communication styles with leadership styles in management, and to show which style is the style of successful leaders and how to avoid bad communication. The objectives of the research are to determine what communication is and how it is divided, what types of communication styles exist and what are their advantages and disadvantages, and which communication style is most often used in business and which is related to successful business. The most important goal of this paper is to find a link between communication styles and leadership styles in management. Secondary data sources were used in this paper. Specifically, books and scientific and professional articles, and online data sources. Methods of synthesis and analysis, inductive-deductive method and comparison method were used. The paper deals with four styles of communication and three styles of leadership and based on the research it can be concluded that communication in the organization is one of the most important factors for the success of the organization. The most effective combination is a democratic leadership style in which the leader uses an assertive communication style. Also an effective leader must have a set of communication skills that allows for open and healthy communication between employees and the leader. Therefore, it can be concluded that an effective leader and good communication are the links between communication styles and leadership styles.