Gwichʼin (Dinju Zhuh Kʼyuu) is an Athabaskan language spoken by the Gwichʼin First Nation (in Canada) and Alaska Native People (in the United States). It is also known in older or dialect-specific publications as Kutchin, Takudh, Tukudh, or Loucheux. Gwichʼin is spoken primarily in the towns of Inuvik, Aklavik, Fort McPherson (aka Teetłʼit Zheh), and Tsiigehtchic (formerly Arctic Red River), all in the Northwest Territories and Old Crow in Yukon of Canada. In Alaska of the United States, Gwichʼin is spoken in Fort Yukon, Chalkyitsik, Birch Creek, Venetie and Arctic Village.
The ejective affricate in the name Gwichʼin is usually written with the symbol U+2019 ’ RIGHT SINGLE QUOTATION MARK, though the correct character for this use (with expected glyph and typographic properties) is U+02BC ʼ MODIFIER LETTER APOSTROPHE.