Banking Systems face a lot of changes and challenges, which necessitate applying new management and performance improvement concepts, as an attempt to achieve excellence, Six Sigma is considered to be one of the best methodologies that help in this regard because it may be utilized in improving banks performance and decrease defects in their processes. This study aimed to highlight the role of six sigma approach to improve the performance of Syrian banks according to the application of six sigma model elements (DMAIC) and selecting six sigma team (Improvement Team). Conclusions of the study show the importance of implementing Six Sigma methodology in all local sections including industrial and service organizations, and there is a tendency in the Syrian banks to utilize six sigma approach. Conclusions also show that there is a significant statistical impact between each of application of six sigma model elements (DMAIC), Selecting six sigma team (Improvement Team), and the performance improvement of Syrian banks. Based on that, several recommendations were presented. Among these recommendations were the urgency and the need of benefiting from the best practices in the field of Six Sigma. Invest in training and provide the employees with some experience in this field.