We managed a rare case of bladder endometriosis in a 42-year-old woman that was successfully treated by laparoscopic surgery.Approximately 2 years previously she sought evaluation in the Urology Department at another hospital with painful urination during menstruation. Cystoscopy revealed a sessile polypoid lesion on the posterior bladder wall, and thus a transurethral biopsy of the mass was performed. The pathologic evaluation confirmed endometriosis of the bladder. She was referred to our hospital for treatment of bladder endometriosis. Partial resection of the bladder was performed by laparoscopic surgery. She was symptom-free 8 months after resection of the bladder endometriosis.Partial resection of the bladder containing all of the bladder endometrial implants during laparoscopic surgery is considered to be an effective method of management for this condition.