Neurocognitive disorders in patients with type 2 Diabetes Mellitus has spectrum manifestation which might range from subtle executive dysfunction to memory loss and overt dementia. Diabetes patients are at higher risk of all types of cognitive impairment, mainly because some diabetes complications results in cognitive impairments and they are also being considered as disease of the same spectrum. Even though it is estimated that more than 50 million peoples live with dementia worldwide, there is no enough data from low and middle income countries, including Ethiopia, where the number is projected to increase to 152 million by 2050. Hence this study will focus on assessing the overall prevalence, potential determinant and contributing factors among patients with type 2 DM over a period of two months at Black Lion Specialized Hospital, Ethiopia.