Introduction: Social Trust is considered as a social phenomenon that plays a vital role in human interactions and its relationships. Researches have shown that religion can be an important factor in the production of social trust. The purpose of the present paper is to do a sociological analysis of the relationship between religiosity and social trust.

Method: This study is a survey. The statistical population is students of Behbahan Islamic Azad University in the period of 1392-1393. Among them, 346 were randomly selected by using Cochran formula and then the questionnaires were distributed among them.

Findings: The results showed that a significant positive correlation between the ideological, religious and ritual implications and interpersonal trust is fundamental. There is also a significant positive correlation between religiosity and trust in the basic experiment.

Discussion: About the paradox in the relationship among religious dimensions, generalized and institutionalized trust maybe this interpretation is correct to say that whether religiosity is superficial or regarding trust issues, the living environment is so badly damaged and traumatized that even religiosity of the people cannot persuade them to act with good will.