The purpose of this study was to examine the effect of relation marketing, corporate image, and service quality on customer loyalty. This study used purposive sampling technique. The population used in this study were all customers of Bank Jateng Syariah Purwokerto. The sample in this study was 117 respondents. The analytical method used is multiple regression with the support of SPSS. The result showed that relation marketing, corporate image and service quality partially have a significant effect on customer loyalty. Relation marketing, corporate image and service quality have a simultant effect on customer loyalty of Bank Jateng Syariah Purwokerto.