Abstract. Mehdi Bazargan is one of the famous personalities of the national-religious movement of Iran. Among the leaders of this intellectual and political movement, she is a unique personality who is well-known both in the field of thought and in terms of her long record of political activity. Bazargan is considered an opinionated person in the field of political and religious thought. One of her intellectual and practical concerns during her life has been preserving the national identity of Iranians and ways to defend it. The present article, with an analytical method and referring to the remaining works and writings of Bazargan, seeks to answer this basic question: what components did Bazargan pay attention to in defending the Iranian national identity? The findings of the research indicate that during her intellectual and political life, Bazargan paid attention to four basic components to defend the national identity of Iranians.These four components, in order of importance, are: trying to create a civil and democratic society, compatibility of Islam and Iranian nationality, maintaining the country's independence and defending national interests.