Mayu, Myu is a river in Rakhine State in Myanmar. It is named after Mayu Mountain. It is formerly called as Manlayuwaddy. It is the 3rd most used river in Rakhine. It is 96 miles (154 kilometers) long and ended into Bay of Bengal near the Sittwe. It passes through Buthidaung, Rathedaung and Sittwe Township.