The present article aims theoretical and empiricalexplanation of the relationship between Religiosity and Sports participation. This research was done with a Survey and 380 students of Yazd University in 93-94 academic year were selected by method of harmonic proportion as participants according to Cochranformula. Exams of validity and stability were high. According to results of research, level of women religiosity was more than men, but men have had morepartnership in sports than women. There is a direct and meaningful relationship between religiosity and Sports participation and in between, the components of religiosity were considered thatdimension has the most powerful relationship with variable of Sports participation. According to regression results, five dimensions of religiosity totally explained 32%of changes of Sports participation.