Tenasserim may refer to:Tenasserim Division, also known as the Tenasserim coast, or Tenasserim peninsula, former name of the Tanintharyi Region in Myanmar (Burma) Tenasserim town, a former name of Tanintharyi (town) Tenasserim Hills or Tenasserim Range, part of the Indo-Malayan mountain system in Southeast Asia Tenasserim Island, an island in the Mergui Archipelago in Myanmar (Burma) Great Tenasserim River, a major river of southeastern Myanmar (Burma)