Breast cancer is a multifactorial disease which has created a significant health problem worldwide. The literature suggests that there is an increase the prevalence of breast cancer among the Pacific Islanders in the last two decades. Factors which influence breast cancer risk include gender, genetic mutation, diet, parity and endocrine. Nutritional studies and epidemiological surveys show that dietary and lifestyle factors play significant role in breast cancer risk. Breast cancer risk is reduced by regular intake of fruits, vegetables and omega-3 fatty acids-rich diet. Whereas obesity, smoking, alcohol consumption and sedentary lifestyle increase breast cancer risk. Breast feeding practice is protective against breast cancer. Intensive awareness campaigns and public education are necessary to discourage risk behaviour among the Pacific Islanders.