Background: Malignant melanoma is mostly found in mucous membranes and skin. So it’s occurrence on the breast skin is very rare. Case Presentation: In our study, 50-year-old female came to OPD with complaint of skin lesions on the breast since 2 months. On diagnosis, skin lesion was found to be malignant melanoma and the disease had metastasized in right axillary lymph node with discoloration over breast. Conclusion: The prognosis for patients with this disease is very poor. Important procedures which may increase the survival rate include, Early diagnosis and surgical resection with adjuvant therapy.