Alsea Indians

Amahami Indians (Anahami, Ahaharway, Wattasoon)

Arikara Indians (Sahnish)

Assiniboin Indians

Atsina Indians (Gros Ventre)

Bannock Indians

Blackfeet Indians

Cathlamet Indians (Kathlamet)

Cayuse Indians

Chehalis Indians (Chilwitz, Chiltz)

Cheyenne Indians

Chinook Indians

Clackamas Indians

Clatskanie Indians

Clatsop Indians

Cowlitz Indians

Crow Indians (Absaroka)

Flathead Indians (Salish)

Hidatsa Indians

Kickapoo Indians

Klickitat Indians (Klikitat)

Kootenai Indians (Kootenay, Kutenai)

Mandan Indians

Minitari Indians (Minnetaree)

Missouri Indians

Multnomah Indians

Nez Perce Indians (Sahaptin, Shahaptin)

Omaha Indians

Oto Indians

Palouse Indians (Palus)

Pawnee Indians

Quinault Indians

Shoshone Indians (Snake)

Siletz Indians

Siuslaw Indians

Skilloot Indians

Tenino Indians

Teton Sioux Indians

Tillamook Indians

Umatilla Indians

Umpqua Indians

Wahkiakum Indians (Wahkiaku)

Walla Walla Indians (Walula)

Wanapum Indians (Wanapam, Sokulks)

Wasco Indians (Kiksht)

Wishram Indians (Wishham, Tlakluit)

Yakima Indians

Yankton Sioux Indians (Nakota)