The study was conducted to predict the relationship of psychological burden and marital satisfaction among patients of diabetic mellitus with role of demographic variables. Sample size was 150 diagnosed diabetic patients in which 75 married males and 75 were married females. Sample was approached through purposive sampling technique. All diabetic patients were selected from public hospitals and private clinics of Multan Division, Pakistan. The Nishter Hospital Multan, Combined Military Hospital Multan and City Hospital Multan and it was focused to their gender, age, education, type of disease, working status and socio-economic condition. Depression, Anxiety, Stress Scale (Lovibond, 1995) and Index of Marital Satisfaction (Hudson, 1981) were used as a research instrument to collect the data. Data were analyzed on SPSS. Findings of the study reveal that there is negative correlation between psychological burden and marital satisfaction. Moreover, depression, anxiety and stress are the significant negative predictors of marital satisfaction. Results suggest that level of psychological burden was reported higher among female patients than male. Mean score of marital satisfaction was greater among male as compared to female patients. Furthermore, there was significant mean score difference on PB between educated and uneducated patients. Patients with type 2 have greater level of psychological burden as compared to type 1 diabetes. Level of psychological burden was greater in those patients who have above than 3 children as compared to those who have 1-3 children. Difference is significant between working and non-working diabetic patients on psychological burden. Results suggest that there is no significant mean score difference of marital status with respect to education, type of diabetes, family size, and working status. There was no significant difference of PB and MS with respect to socio-economic status. Role of demographic characteristics of the participants is significant in predicting psychological burden among them.