OBJECTIVE: Fibroadenomas are the most common solid lesions of the breast. They typically present as firm, mobile, painless, easily palpable breast nodules. Fibroadenomas measuring 5 cm or more in diameter are considered as giant fibroadenomas which can grow to huge proportions and compress the surrounding normal breast tissue. They can occur in any part of reproductive life of female but are more common before the age of 30 years. CASE REPORT: we report a rare case of Giant fibroadenoma in a postmenopausal female of 52 yr of age. The diagnosis was made on fine needle aspiration cytology and was subsequently confirmed on histopathology. CONCLUSION: Fibroadenoma is an estrogen induced benign tumor common in young female, but in our case it occurred in postmenopausal female, even without any documented estrogen therapy.