Introduction: Marital satisfaction is a positive relationship with spouse’s family, positive dynamism in the original family, self-esteem and religious homogeneity of couples. Religion is one of the most effective spiritual fulcrums that are able to provide the meaning of life in every moment of life. Religious beliefs and credence are important factors in marital satisfaction. The main purpose of this study was the survey of the relationship between religious orientation, and marital satisfaction among couples of Qom City. Methods: This study was performed by the descriptivecorrelation method. The study population included all the couples referred to counselling centers and psychological clinics of Qom City. Therefore, 150 couples have been selectedwho were volunteer for cooperation in this study. Required information was collected by the Azarbayejani religious orientation (2003) and Walter marital satisfaction (1992) questionnaires. The data were analyzed by SPSS Version-17 statistical software and usingPearson correlation coefficients and regression and descriptive statistics. Findings: The results showed that there was a positive significant relationship between religious orientation and marital satisfaction. (P=0/001 & r= - 0/511) The results of regression analyses indicated that religious orientation is as a predictor of sex (p=0/001, r2=15/438), educational degree (p=0/003, r2=5/409) and marital satisfaction (p=0/004, r2=0/927). Conclusion: According to the importance of religious orientation and credence of family and especially in couples that increases the commitment and marital satisfaction, it has been recommended to strengthen the couple's religious beliefs in preventive and treatment programs.