Athletes' moralismin sports fields is one of the important issues in every society. The aim of this research was analyzingtheethicalattitudesofathletestudents:Theroleofreligiosity, genderandtypeofsport. Theresearch methodwasdescriptiveandcorrelationkindthatwasconductedassurvey. Thestatistical population of research was Male and Female Athletes of the 14th National Student Sport Olympiad that held in Shiraz in 2018. Statistical population size was 4100 members. According to the sample size determination formula in analytical research, the sample size was estimated at 194 people and after collecting data, 196 full questionnaires were returned and the same number was selected as the statistical sample of the study. Sampling method was available. The research tool was the LawrenceQuestionnaire(2013)which after translation and localization,formal andcontent validityof its was approved by ten sports management professors. Cronbach'salpha coefficient of ethical attitude questionnaire was 0.73 and Religiosity questionnaire was 0.74 which indicates the reliability of the questionnaire. Descriptive statistics was used for describing demographic features and insection of inferential statistics; KolmogorovSmirnov test, independent sample t-test and structural equation modeling were used. The results showed that athletes' ethical attitudes were not significantly different based on gender and type of sport, but in the component of honesty, there was a significant difference based on gender and type of sport. In the justice component there was also a significant difference based on type of sport. Also, the results showed that religiosity has a significant effect on all components of ethical attitude of athlete students. Based on the results of the research model, it can be concluded thatreligiosity is aneffective and educativefactorfor creating ethical attitudesinathletes.