This article examines the life and scholarly legacy of the prominent Muslim theologian Imam Abu Mansur al-Maturidi, who played a crucial role in the development of Islamic creed (ʿaqīdah) and the science of kalām. The study analyzes the historical and intellectual context in which Imam al-Maturidi lived, his educational background, and his contributions to theological thought. Special attention is given to his major works, Kitāb al-Tawḥīd and Taʾwīlāt Ahl al-Sunnah, which reflect his balanced approach between reason and revelation. The article also highlights the formation of the Maturidi school of theology and emphasizes the lasting significance of Imam al-Maturidi’s teachings in strengthening Sunni Islamic belief and promoting moderation and intellectual reasoning in Islamic thought.