Abstract: Migraine is characterized by recurrent attacks of headache and its pathophysiology is still enigmatic. A number of environmental factors has been suggested to play a role in the pathogenesis of migraine by some authors. Trials of linking metabolic derangements to the pathophysiology of headache episode in migraine patients have recently emerged in a number of literatures. Obesity and diabetes have been evaluated in a number of studies in relation to migraine. To evaluate the rate of migraine headache among a sample of Iraqi diabetic patients. Current cross sectional study included 200 patients already diagnosed as having type 1 or 2 diabetes mellitus. Those patients were reviewed for having criteria suggesting migraine headache according to “International Classification of Headache Disorders (ICHD) ”. Variables included in the present study are: age, gender, type of diabetes mellitus, duration of diabetes and the level of HbA1c%. The study was conducted at the neurology unit, Al-Dewaniyah Teaching Hospital, Al-Dewaniyah province, Iraq. The study started on January, 2017 and ended at June, 2018. Number of diabetic patients with migraine was 58 out of 200 accounting for a rate of 29%. Migraineurs were more likely to be female gender in comparison with diabetic non-migraineurs, male to female proportion of 21/37 versus 79/63, respectively; the difference was significant (p = 0.013). Patients with type 1 diabetes were more liable to have migraine than patients with type 2 diabetes, 13 out of 29 (44.8%) versus 45 out of 171 (26.3%), respectively; the difference was significant (p = 0.042). According to the type of treatment, those patients on insulin therapy were more liable to be migraineurs than those patients on oral hypoglycemic agents, 38 out of 100 (38%) versus 20 out of 100 (20%), respectively, the difference was highly significant (p = 0.005). Patients with migraine had significantly longer duration of diabetes in comparison with those diabetics who are free of migraine, 7.18±4.43