The aim of our study was to compare psychological well-being among highly religious and low religious students of Aligarh Muslim University, Aligarh. The hypothesis was that those who are more religious will display high level of psychological well-being to those who are less religious. The sample size for this study was 200 students – 137 highly religious and 63 low religious. The Highly Religious and Low Religious students were selected on the basis of their scores on Religiosity Scale and then their Psychological Well-Being was measured. The independent sample t-test scores indicated that there is a significant level of difference between the scores of highly religious and low religious students on their psychological well-being with the t score = 23.570 which was significant at .05 level of significance. Thus, the result of the study confirmed our hypothesis that highly religious students display high level of psychological well-being than low religious students.