Nationalism is a sociopolitical ideology and a type of common sense, as well as a foundation for the coexistence of different political and ethnic units. It ensures the idea that all the people in each of these units belong to a strong origin, are of the same ancestors in terms of lingual, religious and regional identity, and enjoy an idealistic and meaningful bond. Nationalism first emerged in the ideas of ideologists such as Rousseau, Montesquieu and other ideologists in the west, especially in the eighteenth and nineteenth centuries and following the French Revolution. It later emerged in eastern countries such as Egypt, Turkey and Iran as well, influencing various social and cultural fields differently. Historiography and the attitude of historians toward historical events from a nationalist approach and recounting past and present events based on this approach are a topic that, among other reflections of this approach such as literary reflections, has had different impacts on the Iranian society. The impacts of nationalist historiography on culture in contemporary Iran, especially its impacts on historiography and historians and its consequences for other cultural fields, are a challenging topic that has not been studied sufficiently. The current study seeks to examine the parameters and characteristics of nationalist historiography and its impacts on the writing and approach of historians and authors in contemporary Iran.