: The development of Islamic banking in Pekanbaru City resulted in high customer expectations for quality of services provided by the Islamic banking. Islamic banking as a container to accommodate the wishes of the customer who wants the banking system for the results in accordance with Islamic law. But even though the primacy of Islamic banking is the system that is in accordance with Islamic law, in fact the customers still want good quality services, not only in terms of running the Islamic law. The purpose of this study was to analyze whether the dimensions of the quality of existing services is a dimension that affects the quality of Islamic banking customer satisfaction in Pekanbaru and analyze the dimensions of the most dominant Which of these dimensions. This study was conducted on 100 Islamic banking customers, the number of variables used is 29. Analysis Factor Analysis Konfirmatory. The results showed that 29 variables grouped into six dimensions that have Eugine value greater than 1 with a percentage of the total variance of 64.116%. These six dimensions that affect customer satisfaction Islamic banking in the city of Pekanbaru in order of magnitude percentage is 1) Empathy (33.486%), 2) Responsiveness (8.181%), 3) Assurance (6.567%), 4) Tangible (6.331%), 5) Reliability (5.094%), 6) complience (4.457%). And dimensions greatly affect customer satisfaction is the dimension Empathy with the highest variance, whereas KMO = 0.820 and Bartlett Test = 0.000.