Work and family are the two most important aspects in any individual’s life. Balancing work and family roles has become a key personal and family issue for many societies. The economic development requires an integration of both male and female labour forces. The working woman has to play dual role, as a home maker and also an employee associated with some institution. The balance between job and marriage is one of the prominent issues in working married women’s lives. The ability of married women to balance these multiple roles has a direct effect on their physical and mental well-being, marital adjustment. The present research endeavour was aimed to study the effect of job satisfaction on marital adjustment of married working women. The sample of the study consisted of 50 married working women from Churu district of Rajasthan state. Out of which 25 were working in private sector and 50 were working in government sector. Job Satisfaction Scale and the Marital Adjustment Questionnaire were used for collection of data. Pearson’s correlation and t-test were used for the analysis of data. The results indicated that there is a weak correlation between job satisfaction and marital adjustment of married working women. The results also revealed that there is no significant difference exists between job satisfaction of working women of private and government sector. The results further revealed that there is no significant difference exists between marital adjustment of working women of private and government sector.