Islamic world is a term applied to the countries in which the majority of populations are Muslims. At the present time, The Islamic world is combination of territories with variety of human and natural variations. Thanks to human and natural resources, strategic position, and common beliefs, the Islamic World is capable to play a role as regional power actor in world geopolitical order, but due to some factors and disagreements, such as religious and ethnic fragments, different political attitudes and political system, lack of independency, political and economic dependency to big state, territorial conflicts and etc, these potentials have unfortunately not been used appropriately so far. It should be mentioned that in spite of disintegrations caused by diversification among Islamic World, there is a context for Convergence and structural and functional incorporation, common interests and needs, common threats and so on which can lead to unity and combination in Islamic World. This article investigates and analyzes the most significant geopolitical challenges for Islamic world Convergence.