Here is a listing of American Indian Tribes by Region in the United States.
Northeast Tribes
Abenaki, Algonkin, Beothuk, Delaware, Erie, Fox, Huron, Illinois, Iroquois, Kickapoo, Mahican, Mascouten, Massachuset, Mattabesic, Menominee, Metoac, Miami, Micmac, Mohegan, Montagnais, Narragansett, Nauset, Neutrals, Niantic, Nipissing, Nipmuc, Ojibwe, Ottawa, Pennacook, Pequot, Pocumtuck, Potawatomi, Sauk, Shawnee, Susquehannock, Tionontati, Wampanoag, Wappinger, Wenro, Winnebago.
Northwest Tribes
Calapuya, Cathlamet, Chehalis, Chemakum, Chetco, Chilluckkittequaw, Chinook, Clackamas, Clatskani, Clatsop, Cowich, Cowlitz, Haida, Hoh, Klallam, Kwalhioqua, Lushootseed, Makah, Molala, Multomah, Oynut, Ozette, Queets, Quileute, Quinault, Rogue River, Siletz, Taidhapam, Tillamook, Tutuni, Yakonan.
Southeast Tribes
Acolapissa, Asis, Alibamu, Apalachee, Atakapa, Bayougoula, Biloxi, Calusa, Catawba, Chakchiuma, Cherokee, Chesapeake Algonquin, Chickasaw, Chitamacha, Choctaw, Coushatta, Creek, Cusabo, Gaucata, Guale, Hitchiti, Houma, Jeags, Karankawa, Lumbee, Miccosukee, Mobile, Napochi, Nappissa, Natchez, Ofo, Powhatan, Quapaw, Seminole, Southeastern Siouan, Tekesta, Tidewater Algonquin, Timucua, Tunica, Tuscarora, Yamasee, Yuchi.
Southwest Tribes
Apache (Eastern), Apache (Western), Chemehuevi, Coahuiltec, Hopi, Jano, Manso, Maricopa, Mohave, Navaho, Opata, Pai, Papago, Pima, Pueblo, Yaqui, Yavapai, Yuman, Zuni.
•• Pueblo include Acoma, Cochiti, Isleta, Jemez, Laguna, Nambe, Picuris, Pojoaque, Sandia, San Felipe, San Ildefonso, San Juan, Santa Ana, Santa Clara, Santo Domingo, Taos, Tesuque, Zia.
California Indian Tribes
Achomawi, Atsugewi, Cahuilla, Chimariko, Chumash, Costanoan, Esselen, Hupa, Karuk, Kawaiisu, Maidu, Mission Indians, Miwok, Mono, Patwin, Pomo, Serrano, Shasta, Tolowa, Tubatulabal, Wailaki, Wintu, Wiyot, Yaha, Yokuts, Yuki, Yuman (California).
Plains Indian Tribes
Arapaho, Arikara, Assiniboine, Bidai, Blackfoot, Caddo, Cheyenne, Comanche, Cree, Crow, Dakota (Sioux), Gros Ventre, Hidatsa, Iowa, Kansa, Kiowa, Kiowa-Apache, Kitsai, Lakota (Sioux), Mandan, Metis, Missouri, Nakota (Sioux), Omaha, Osage, Otoe, Pawnee, Ponca, Sarsi, Sutai, Tonkawa, Wichita.
Great Basin Tribes
Bannock, Paiute (Northern), Paiute (Southern), Sheepeater, Shoshone (Northern), Shoshone (Western), Ute, Washo.
Plateau Tribes
Carrier, Cayuse, Coeur D’Alene, Colville, Dock-Spus, Eneeshur, Flathead, Kalispel, Kawachkin, Kittitas, Klamath, Klickitat, Kosith, Kutenai, Lakes, Lillooet, Methow, Modac, Nez Perce, Okanogan, Palouse, Sanpoil, Shushwap, Sinkiuse, Spokane, Tenino, Thompson, Tyigh, Umatilla, Wallawalla, Wasco, Wauyukma, Wenatchee, Wishram, Wyampum, Yakima.