The purpose of the present research is to study the future of ways to develop religious tourism in Iran in order to provide a suitable cognitive and scientific basis for planners and policymakers, relying on the opinions of the elite. In terms of its applied purpose, the present research has been conducted at an exploratory level in terms of survey method and based on the future research approach. Given the nature of this research, first a number of specialists and experts were selected and then the Delphi method and documentary studies were used to determine the key drivers in religious tourism. The number of participants in the Delphi who were identified and participated in the research consisted of 15 experts in the field of tourism management and the Planning and Budget Organization. In order to validate and reach a consensus on important drivers, fuzzy Delphi analysis was used. In the second stage, by applying the interaction analysis method using the MicMac software, a structural analysis of the drivers identified in the first stage was carried out. The research findings showed that the drivers of creating a suitable platform for travel agencies and religious site managers, the existence of various ceremonies, and the existence of tombs of divine prophets with global value can play a key role in the development of religious tourism.