The jurisprudential and historical development of Omani legal, political and socio-economic system has been substantially influenced by the religious belief of its ancestors. Notwithstanding the overbearing influence and domination of foreign invaders especially the Persians and Portuguese, the Sultanate of Oman has survived the religious influence of its invaders. This research is an attempt to provide a succinct history of Oman and how Islamic religion has influenced the legal landscape and system of the country. The scope of this research is limited to the examination of few Articles or provision in the Omani Constitution, Social Security Law and Labour Law in contradistinction with relevant provision from the primary source of Islamic law (Holy Quran and Hadiths) and draw a conclusion on how the religious history has contributed to the development of legal jurisprudence in Oman.