Iraqi-Saudi relations are characterized by being a clear model of the complex pattern of relations that are affected by many factors, determinants and influential issues, which made them characterized by distance, convergence, coldness and competition for long periods. Accordingly, in this research, we tried to address the nature of relations between the two countries during the study period and the most important transformations they witnessed, after reviewing the historical course of relations between them, and then studying the nature of relations after 2003, and reviewing the most important issues affecting them, such as the position on the Iraqi political system, regional crises, relations with Iran, and explaining their impact in determining the pattern of Iraqi-Saudi relations, in addition to presenting a future vision for relations between the two countries through three possible scenes. And according to the present data, the study favored the scene that says the possibility of the continuation of Iraqi-Saudi relations in the same pattern of cautious convergence by the Iraqi side and the containment attempts that the Saudi side seeks in its interaction with Iraq without any noticeable progress or decline.