Mucormycosis refers to the infection caused by a growing number of members of the Mucorales. Mucormycosis has emerged as an important opportunistic infection in severely immunocompromised patients with hematological malignancies and recipients of stem cell or organ transplantation and in poorly controlled diabetics. The diagnosis of mucormycosis relies upon histopathology and culture. Blood tests are of limited diagnostic value. Here, we present two cases of mucormycosis in diabetic patients diagnosed with tissue biopsy.