The purpose of this study is to examine the students’ awareness of plagiarism instances in Isfahan University of medical sciences. The research methodology of this study is descriptive-correlation. In order to collect the research data, a structured close-ended questionnaire has been used that its validity has been confirmed through face validity. Also reliability of the questionnaire has been examined thro ugh Cronbachs’ Alpha Coefficient. This coefficient was 0.84 for our questionnaire and confirms its reliability. The statistical population of this study includes students of Isfahan University of medical sciences. A sample of 380 students has been selected from this population based on Morgan table of sampling. The sample members have been selected through random stratified sampling method. The results of this study revealed that the sample members had not good and sufficient awareness of the plagiarism instances.