First of all, the Inuit are not a tribe. They are a race of people.
Secondly, of the U.S., there are two different types of Inuit.
The Yup'ik
And the Inupiaq.
The Yup'ik speak the Yup'ik language they call Cup'ik.
The Inupiaq speak the Inupiaq language consisting of several different dialects:
Iñupiaq: Diomed, Wales, King Island
Qawiaraq: Teller and Fish River
Malimiutun: Kobuk and Kotzebue
North Slope, Common North Slope, Point Barrow, Anaktuvuk Pass , Uummarmiutun