The article deals with the actual practical aspects of the problem of leadership qualities of future specialists of "man-man" type in military and civilian institutions of higher education. The aim of the research is to present the results of empirical research on the comparative diagnosis of the formation of leadership qualities of future specialists in the social sphere (psychologists, social employees) and cadets (military lawyers, psychologists). According to the results of scientific works, it has been determined that leadership qualities are a set of qualities that reflect the attitude to other people and society as a whole, allow oneself to influence other people, contribute to the creation of a positive atmosphere in the group, the team, is displayed in a stable, active, responsible behavior in order to achieve one's own and collective goals. Leadership qualities include commitment, determination, confidence, responsibility, activity, efficiency, success, influence, endurance. Diagnostics of formation of leadership qualities has been carried out by means of survey and a psychodiagnostic technique of the leadership abilities diagnostics by E. Zharikov, E. Krushelnytsky. The diagnostic results showed the predominance of students and cadets of the average level of leadership qualities formation.