This study aimed to investigate the relationship between subjective well-being and marital satisfaction, and also the moderating role of forgiveness in the relationship between subjective well-being and marital satisfaction. Research included (165) married women, with Mean Age (30.01), SD (±5.94). Tools were: Forgiveness scale (prepared by the researcher), subjective well-being scale (prepared by the researcher), and marital satisfaction scale (prepared by Fowers & Olson, translated and modified by Nasra Mansour, 2012). Results showed that there is a positive significant relationship between subjective well-being and marital satisfaction, there is a positive significant relationship between forgiveness and Subjective well-being and marital satisfaction. Results also showed that there is a moderating role of forgiveness in the relationship between subjective well-being and marital satisfaction Results of the study have been interpreted in the light of theoretical frame and previous studies.