Inuinnaqtun, is an Inuit language. It is spoken in the central Canadian Arctic. It is related very closely to Inuktitut, and some scholars, such as Richard Condon, believe that Inuinnaqtun is more appropriately classified as a dialect of Inuktitut. The government of Nunavut recognises Inuinnaqtun as an official language in addition to Inuktitut, and together sometimes referred to as Inuktut. It is spoken in the Northwest Territories as well and is recognised as an official language of the territory in addition to Inuvialuktun and Inuktitut.

The Inuit languages are a closely related group of indigenous American languages traditionally spoken across the North American Arctic and the adjacent subarctic regions as far south as Labrador. The Inuit languages are one of the two branches of the Eskimoan language family, the other being the Yupik languages, which are spoken in Alaska and the Russian Far East. Most Inuit people live in one of three countries: Greenland, a self-governing territory within the Kingdom of Denmark; Canada, specifically in Nunavut, the Inuvialuit Settlement Region of the Northwest Territories, the Nunavik region of Quebec, and the Nunatsiavut and NunatuKavut regions of Labrador; and the United States, specifically in northern and western Alaska.