The presence of Muslim immigrants in European Union countries has become an undeniable reality, as these immigrants have become an integral part of the demographic composition of EU societies. The strength of these immigrant communities has increased as a result of the intensification of family reunification policies, which have contributed to reshaping and expanding minorities within the European space. Consequently, questions, concerns, and doubts have arisen about the integration of these immigrants into most national communities. These apprehensions are primarily based on the legal mechanisms required to integrate these minorities into the nation-state, which is founded on citizenship rights in Europe, and on the practical measures that guarantee their integration in an appropriate form and content. On this basis, the adopted integration policies that attempt to reposition Muslims in Europe at the economic, social, and, to some extent, cultural levels raise many concerns about their ability to integrate these Muslim immigrants and about the possible opportunities for their proper integration in light of their cultural, religious, and social specificities. Through this paper, researchers attempt to examine the opportunities for these Muslim immigrants to integrate, considering the legal complexities and social problems they face, which hinder their complete integration into these societies.