Kanmaw Kyun or Kanmaw Island is an island in the Andaman Sea along the coast of southeastern Burma (Myanmar), and is part of the Mergui Archipelago. Administratively, it is located in Kyunsu Township, Myeik District, in the Taninthayi Region. On the northeastern side of the island is the town of Kyunsu, which is the administrative seat for the township. The island covers a total area of 409 km2.