This study aims to analyze the influences of religiousity, services quality, product atribute, communication quality, and financing expense toward customers’ loyalty of Baitul Maal wat Tamwil (BMT). The population of the research are sellers at several markets in Yogyakarta, such as Niten, Ngoto, Kluwih, Serangan, Gamping, and Beringharjo markets. In this study, the researcher tooks 108 respondents were selected using purposive sampling. The hypothesis in this research was tested using double linear regression. The result of the research showed that religiousity and service quality did not influence significantly towards the customer loyalty of BMT. The product atribute and communication quality had positive and significant influence towards the customer loyalty of BMT. But, financing expense had negative and significant influence towards the customer loyalty of BMT.