In this article, based on analysis of scientific sources consider the basic organizational pathology, their types and sources of appearance. Analyzed the essence of organizational pathologies, their influence on the efficiency of modern organizations in general and the causes and forms of manifestation at different life stages of modern organizations. In the result of research describes the most common types of pathologies that occur in the structure of organizations, organizational relationships and managerial decisions. Methods of diagnosing organizational pathologies reviewed based on the causes and sources of their manifestation.