Siberian Yupiks, or Yuits, are a Yupik people who reside along the coast of the Chukchi Peninsula in the far northeast of the Russian Federation and on St. Lawrence Island in Alaska. They speak Central Siberian Yupik, a Yupik language of the Eskimo–Aleut family of languages.

The Yupik are a group of Indigenous or Aboriginal peoples of western, southwestern, and southcentral Alaska and the Russian Far East. They are related to the Inuit and Iñupiat. Yupik peoples include the following:Alutiiq, or Sugpiaq, of the Alaska Peninsula and coastal and island areas of southcentral Alaska. Yupʼik or Central Alaskan Yupʼik of the Yukon–Kuskokwim Delta, the Kuskokwim River, and along the northern coast of Bristol Bay as far east as Nushagak Bay and the northern Alaska Peninsula at Naknek River and Egegik Bay in Alaska. Siberian Yupik, including Naukan, Chaplino, and—in a linguistic capacity—the Sirenik of the Russian Far East and St. Lawrence Island in western Alaska.