This research purposed to determine the level of religiosity of students in Islamic Universities. The population of this study is students in one of the Islamic Universities on the island of Java as many as 2500 students. The type of research used is quantitative research. The selection of research samples using accidental sampling and the primary data obtained in this study were 291 respondents. The level of religiosity is measured by a scale of religiosity based on dimensions according to Glock and Stark (1965) with five dimensions namely belief, worship practice, deepening, religious knowledge and religious consequences. The level of religiosity in students is categorized as very high with score 4,4. The belief dimension is the dimension with the highest value among thefive existing dimensions.