The Tagish or Tagish Khwáan (Tā̀gish kotʼīnèʼ, Tlingit: Taagish ḵwáan) are a First Nations people that spoke their own tagish language ethnolinguistic group that lived around Tagish Lake and Marsh Lake, in the Northwest Territories of Canada. Tagish people intermarried heavily with Tlingit people from the coast and the Tagish language is almost extinct.