The majority of Qatari women demonstrated an adequate knowledge about breast cancer, with a significant relation to education status. Almost three quarters were aware that breast cancer is the most common cancer in women. A good proportion knew that nipple retraction (81.2%) and discharge of blood (74.6%) are warning signs. Of the studied Qatari women, 24.9% identified breast self examination, 23.3% clinical breast examination (CBE) and 22.5% mammography as methods for detection of breast cancer