This research explains the viewpoint of Qur’an regarding the belief in Mahdiism. The approach of this study is interpretative and narrative, and by adopting the descriptive analytical method based on library studies, the view of the Qurʾan regarding Mahdiism has been examined. In this research, after explaining the intended method, the meaning of Mahdiism as well as its instances in the verses and hadiths have been examined and analyzed. The findings of this research illustrate that in Holy Qur’an, there are five groups of verses regarding imam Mahdi (as) including verses that introduce the righteous and the oppressed as the main inheritors of the earth, the verses that promise the final victory of Islam over other religions, the verses that declare the succession of the righteous believers in the future, the verses that state the complete realization of the truth and the complete destruction of falsehood, and finally the verses that declares the end of history for those who are virtuous and pious.