Diabetes mellitus is a metabolic disorder affecting all systems in the body because of multiple long term complications. Foot ulcers is common complications of diabetes mellitus. However, there are few cases of foot ulcer and causing factors in our institute. An institutional-based cross-sectional study was done to find out foot ulcer occurrence in diabetic patients. Systematic random sampling was done to select 250 study participants. Bivariate and multivariable logistic regression model was made to find out factors associated with diabetic foot ulcer. Odds ratio with 95% confidence interval was used to know the level of significance. Diabetic foot were 15.2%. Type II
diabetes mellitus, overweight, obesity, poor foot selfcare practice, and neuropathy were factors related to diabetic foot ulcer. Special attention should be paid at weight reduction, managing neuropathy, and promoting foot care practice would decrease diabetic foot ulcer.