Sclerosing stromal tumors are rare benign ovarian neoplasms of the sex cord stromal category.They are frequently seen in second and third decades of life. Herein, we are reporting a unique case of sclerosing stromal tumor of ovary in a 24- year- old female which was clinically suspected as malignancy and diagnosis was confirmed on histopathology. Wherein frozen section played a vital role preventing untoward morbidity of patient due to extensive surgery. Other ovarian stromal tumors includes fibroma and thecoma.They tends to occur in the fifth and sixth decades of life. So in such circumstances clinician should keep in mind the rare possibility of a sclerosing stromal tumor in a young female.