The biography of the father of any nation is considered to be the gateway of motivation. It is imperative to study the life of father of the nation for the greater interest of the nation keeping him above all sorts of controversies and in line with the fact that research on the life of Bangabandhu Sheikh Mujibur Rahman (1920-1975), father of the Bengali nation is being carried out. His religious devotion is sometimes questioned behind which some political reasons lay hidden. Many consider him anti-Islamic while others believe he was a secular and socialist due to the inclusion of secularism and socialism in the constitution of Bangladesh. Some intellectuals didn`t hesitate to describe him as a sectarian for his devotion and religious activities. It is requisite to clearly understand his religious views and ideology. This article aims to clarify his religious views wiping off the doubts of his religious sentiments. The historical facts and analytical method have been followed in this article. The major findings are that he is not communist in the sense of atheist, nor communalist in the meaning of fundamentalist. He is neither socialist nor secularist in the sense of anti-religiousness.