This study aims to determine the effect of pocket money, price, promotion, lifestyle, and religiosity on the behavior of Muslim consumers in shopping online. This study uses a quantitative method using primary data obtained based on questionnaires. The respondents used were 100 people. The technique of collecting data through questionnaires, interviews, and documentation where the sample was FAI UMY students from 2015 to 2016. Then the sampling technique used was Simple Random Sampling. The results showed that (1) the promotion and religiosity variables partially had a positive and significant effect on the behavior of Muslim consumers in shopping online while the price, pocket money, lifestyle variables partially did not have a positive and significant effect on the behavior of Muslim consumers online shopping (2 ) variable pocket money, price, promotion, lifestyle, and religiosity simultaneously have a positive and significant effect on the behavior of Muslim consumers in shopping online.