Malignant mixed miillerian tumors(MMMTs) are uncommon neoplasms of the female genital tract that are histologically defined by the presence of malignant epithelial and stromal elements. MMMTs can arise hom the uterine body, cervix, vagina, ovary, and fallopian tube and constitute less than 1% of all overian malignancies. These tumors are usually advanced when diagnosed and follow an aggressive clinical course. We had experienced a cas#e of MMMT of the ovary and presented with a brief review of literature.