Background: Shoulder pain is the third commonest cause of pain of all musculoskeletal relatedrncomplaints. The diagnosis of shoulder pathologies is based primarily upon the results of clinicalrntests and imaging findings. Of the imaging modalities Magnetic Resonance Imaging (MRI) isrnsensitive and accurate non-invasive tool in the investigation of shoulder pathology. Since thernintroduction of MR in this country, no data has been made available about the MR imagingrnfindings of patients presenting with shoulder pain. rnObjective: The aim of the present study is to determine the imaging pattern of various shoulderrnpathologies, as seen on MRI, in patients presenting with shoulder pain at St Paulâ€™s HospitalrnMillennium Medical College, which is one of the tertiary and teaching hospitals in Addis Ababa. rnMethod: This is an institutional based descriptive cross sectional study in which a total of 101rnpatients satisfying the inclusion criteria over a period of sixteen months were included. The MRrnimages were read using structured reporting. Statistical analysis of the findings was then donernusing the software SPSS version 25. rnResult: There were 54 (53.5%) male and 47 (46.6%) female patients. The age ranged fromrntwenty to seventy years. The mean age was 43.81years.The most common indication to have anrnMRI was chronic pain accounting for 70 (69.2%) of the cases and the right shoulder was imagedrnmore than the left with the ratio of 2.15:1. Rotator cuff disease is the most common pathology ofrnglenohumeral joint, for which MRI was done. Involvement of supraspinatus tendon was 64.3%rnin all the pathologies. Of the 41 patients diagnosed with supraspinatus tear, partial tear was seenrnin 34 patients (82.9%) and complete tear was seen in 7 (17%) patients. Degenerative disease ofrnthe AC joint was the second most common pathology detected and it was associated withrnsupraspinatus tendon pathology and sub acromial sub deltoid bursitis. 15.8% of the cases had arnnormal MR finding in this study. rnConclusion: Rotator cuff pathology and AC joint arthritis were the two commonest pathologiesrndetected on MR, and supraspinatus tendon was the most common involved tendon withrnpathology. Though MRI is the preferred test for evaluating rotator cuff pathology andrnimpingement syndrome, the cost and burden of ordering MR is significant. Proper indicationsrnand the relevance of the findings should be well evaluated and guide lines should be prepared forrnthe imaging of patients with shoulder pain.