Solitary fibrous tumors of the bladder are extremely rare especially in the females. This is the third case of SFT in a female urinary bladder. We are presenting a case of 36-years-old female who underwent a procedure for what thought to be cervical myoma. Cystectomy and bilateral ureteral re-implantation were performed. Mass showed to be solitary fibrous tumor of the urinary bladder. These tumors are rarely occur in extrapleural spaces. Only few cases had been reported in the urinary bladder including 2 in the female and 10 in the male bladder.