The Islamic Revolution of Iran can be introduced as the turning point in application of soft power on domestic and international policy, the outstanding characteristics of which can be using violence-free soft power in the course of political and social developments. After the victory of Islamic Revolution in Iran, the software power approach turned into one of the power application alternatives in international level, so that violating the indicators and sources of soft power by a political player became a defect in his career. Today, all countries seek access to soft power capabilities and resources. Therefore, the Islamic Republic of Iran needs soft power if it wants to turn into a regional power. This is why identifying the indices and sources of soft power is very important for the Islamic Republic of Iran. Given the above, this research paper intends to provide a response to this question that “what indexes exert maximum influence on I. R. of Iran’s soft power in the world of Islam?”
Findings of this paper show that such indicators as inspiration, normalization and deepening of strategic depth, identity recognition by Muslims, cultural diplomacy, world public opinion management, scientific supremacy and knowledge acquisition, gaining capability in art and culture are more influential and efficient in boosting Iran’s soft power in the world of Islam.