The Alutiiq language (also called Sugpiak, Sugpiaq, Sugcestun, Suk, Supik, Pacific Gulf Yupik, Gulf Yupik, Koniag-Chugach) is a close relative to the Central Alaskan Yup'ik language spoken in the western and southwestern Alaska, but is considered a distinct language.

The ethnonyms of the Sugpiaq-Alutiiq are a predicament. Aleut, Alutiiq, Sugpiaq, Russian,