Type 2 Diabetes Mellitus (T2DM) is a chronic condition characterized by increased blood glucose, hunger, excessive thirst, and poly-urea. We aimed to analyze the effect of attitudes on diabetes control in patients with T2DM. Data was collected from July 07 to November 07, 2020, from 60 volunteered T2DM patients at Diabetes and Chronic Disease Control Center in Chamchamal District, Sulaimaniyah, Iraq. The attitude behavior evaluation questionnaire was correctly prepared to determine participants' attitude scores. A correlation coefficient test and a t-test with a p-value of 0.05 for an alpha level of significance were applied to explore the effectiveness of the attitude with diabetes control. Sociodemographic data showed that the patient means age was 58.07±10.309 years and the majority of patients were illiterate (55%), married (90%), housewives (40%), had insufficient monthly income (65%), came from urban area (73.3%), not smoking (85%), and overweight (48.3%). Additionally, most patients had T2DM for ≤ 10 years and received oral antihyperglycemic treatment (98.3%), and data revealed a positive link between attitude behavior and disease control. Regarding the mean score for parameters in the pre/post attitude group, the most excellent mean score for the total possible point was 2.98. Conversely, the lowest mean scores were 1.3 and 1.7 for pre/post attitude groups. On the other hand, comparing the mean of pre-attitude to various sociodemographic data, only a significant difference (p=0.004) was seen in monthly income. In contrast, no significant difference was seen for post-attitude with either sociodemographic variable. We realized that glycemic control in T2DM patients could be influenced by the patient's commitment to proper attitude choices.