Sex cord-stromal tumors (SCST) of ovary comprise around 5% of ovarian neoplasms. Ovarian fibromas are one of the most common benign SCST of the ovary usually seen most commonly in the 5{}^{th} decade of life and rarely in the pediatric age group. We operated on an 18-month-old toddler; she presented with abdominal distension and on evaluation was diagnosed as having ovarian mass with ascites. Intraoperatively right ovarian mass with ascites noted seen and laparoscopy-assisted right salpingo-oophorectomy done. Final histopathology was reported as an ovarian fibroma.