Introduction:Changes in lifestyle and dietary habits of the people to use unhealthy foods and reduce physical activity leading to the high prevalence of overweight and obesity in women. This study aimed to determine the dietary behavior status and its predictors based on the Pender`s health promotion model constructs among overweight women. Method: This descriptive-analytical study was carried out on 484 women with a body mass index greater than 25 that selected through convenience sampling. The study population included all women with high weight, referred to the Fatemieh hospital clinics in Hamedan, 2014. Data were collected using questionnaires, Pender`s model constructs and dietary behavior. Statistical analysis of the data was performed by SPSS (version 16) software and statistical tests being correlation and regression analysis. Results: Average age of women with overweight was 38.29±9.01 years and mean BMI was 29.2 ± 2.28 (kg / m2). In this study, mean dietary behavior in women was Undesirability (38.7 ± 12.05). Results of regression analysis showed that the 82% of the variability in dietary behavior of the overweight women was predicted by the following structures: perceived benefits, perceived barriers, negative feelings associated with the behavior, self-efficacy and Commitment to a plan of action(R2 =0. 82, F =12. 75, p< 0.001). Conclusion: The feeding behavior of women was unacceptable, According the important role of women in maintaining the health of other family members, they need to raise awareness on optimum nutritional behaviors and reducing undesirable behaviors felt. Therefore, based on the results of this study recommended In planning for promoting feeding behavior intervention strategies in women should emphasized to increase self-efficacy, the positive feelings associated with the behavior and Commitment to a plan of action and reduce perceived barriers.