This article discussed that Ibn Khaldun contributed basic theories to sociology, four centuries prior to Auguste Comte. In the sociological discourse, numerous attempts have been extensively made by scholars to consider and study Western sociologists’ work, rather than that of theory and concept put forward by the Islamic Arab philosopher Inb Khaldun. This study analyzed the intellectual contribution of Ibn Khaldun to the field of sociology in 14th century. The major discussions have been made based on the secondary information, and results and finding were presented using the interpretative method. The human civilization, social change, conflict, social integration (asabiyah), political organization, theory of economic growth, the transformation between rural and urban societies and the cyclical theory of political system and government, were presented in this paper as major contributions of Ibn Khaldun to the discipline of sociology. Further, this study described the legacy of his theories and criticisms made against his work. This study primarily has been undertaken to present the intellectual sociological contribution of Ibn Khaldun.