. The College of Political Science at Baghdad University discussed the master’s thesis entitled “The crisis of national identity and peaceful coexistence in Iraq after the year 2003″ by the student“ Mervat Ahmed Salman ”. The thesis addresses the clarification of the identity crisis in Iraq and its role in the conflicts, struggles and recurring crises that Iraq experienced after the occupation, whose reasons are the absence of the national identity and the decline in the sense of national unity and the absence of concepts like citizenship , loyalty, and national affiliation, in exchange for the growing loyalties and sub-identities that weakened the peaceful coexistence in Iraq, due to the failure to build a modern national state that accommodates the reality of diversity in Iraq and puts an end to the conflicts and struggles that the country is exposed to. So, a light is shed on the various aspects surrounding the subject of the study that were among the causes of the crisis and its consolidation are internal reasons represented by political parties and political and religious unmatched discourse as well as political leaderships and their direct role that has increased the depth of the crisis, and external reasons represented by international and regional interventions in Iraqi affairs and the reflection of this interference on the national identity and its dispersion and weakening, up to the statement of the most important implications and forms of the crisis in Iraq represented by sectarian fighting, security chaos, the penetration of terrorist elements to Iraqi lands, and its end with the control of the terrorist organization ISIS on large lands of Iraq. The study reaches several practical directions to address the crisis, the most important of which is the consolidation of the values of citizenship, justice, freedom, and equality in Iraqi society to develop a sense of belonging, national loyalty, the highest levels of national identity, reviving the values of true societal originality, activating the role of civil society organizations and equitable distribution of wealth, the necessity of reforming Constitution, the rejection of political sectarianism, and the peaceful transfer of power. At the end of the discussion, the researcher was awarded a master’s degree with a high “very good” appreciation, wishing all our students success in their scientific and practical lives.