| Nom tribus | Etats |
| Calaveras County Band of Miwuk Indians | Californie |
| California Indian Council/Lulapin | Californie |
| Callattakapa Choctaw Tribe | Californie |
| Calusa-Seminole Nation | Californie |
| Cane Break Band of Eastern Cherokees | Georgie |
| Canoncito Band of Navajos | Nouveau Mexique |
| Carolina Indian Heritage Association | Caroline du Sud |
| Cataba Tribal Association | Oklahoma |
| Cedar City Band of Paiutes | Utah |
| Celilio-Wyam Indian Community | Oregon |
| Central Band of Cherokee | Tennessee |
| Central Tribal Council | Arkansas |
| Chahta Tribe | Louisiane |
| Chappaquiddic Band of Massachusetts | Massachusetts |
| Cheroenhaka (Nottoway) Indian Tribe | Virginie |
| Cherokee Bear Clan of Souoth Carolina | Caroline du Sud |
| Cherokee Indians of Hoke County, Inc | Caroline du Nord |
| Cherokee Indians of Robeson and Adjoining Counties | Caroline du Nord |
| Cherokee Nation Heritage Organization of California | Californie |
| Cherokee Nation of Alabama | Alabama |
| Cherokee Nation of New Jersey | New Jersey |
| Cherokee Nation West of Missouri & Arkansas | Missouri |
| Cherokee Nation West of Missouri and Arkansas | Arkansas |
| Cherokee River Indian Community | Alabama |
| Cherokee-Choctaw Nation of St. Francis & Black Rivers | Arkansas |
| Cherokees of Southeast Alabama | Alabama |
| Chetco Tribe | Oregon |
| Chickamauga Cherokee Band of Northwest Georgia | Georgie |
| Chickamauga Cherokee Nation | Missouri |
| Chickamauga Cherokee Nation MO/AR White River Band | Missouri |
| Chickamauga Cherokee Nation MO/AR White River Band | Oklahoma |
| Chickamauga Cherokee Nation White River Band | Oklahoma |
| Chickamauga Circle Free Cherokee | Tennessee |
| Chickamauga Keetoowah Unami Wolf Band of Cherokee Delaware Shawnee of Ohio, West Virginia & Virginia | Ohio |
| Chicora Indian Tribe of South Carolina | Caroline du Sud |
| Chicora-Siouan Indian People | Caroline du Nord |
| Chikamaka-Cherokees | Tennessee |
| Chilkoot Kaagwaantaan Clan | Alaska |
| Chilula Tribe | Californie |
| Chinook Indian Tribe of Oregon & Washington, Inc | Oregon |
| Chinook Indian Tribe of Oregon & Washington, Inc. | Washington |
| Choctaw Allen Tribe | Californie |
| Choctaw Nation Mississippi River Clan | Mississippi |
| Choctaws of Florida | Floride |
| Choinumni Council | Californie |
| Christian Pembina Chippewa Indians | Dakota du Nord |
| Chukchansi Yokotch Tribe | Californie |
| Chukchansi Yokotch Tribe of Mariposa | Californie |
| Chumash Council of Bakersfield | Californie |
| Clatsop-Nehalem Confederated Tribes | Oregon |
| Coastal Band of Chumash | Californie |
| Coastal Gabrieleno Diegueno Band of Mission Indians | Californie |
| Coastanoan Band of Carmel Mission Indians | Californie |
| Colfax Todds Valley Consolidated Tribes | Californie |
| Comanche Penateka Tribe | Texas |
| Confederated Tribes: Rogue, Table Rock & Associated Tribes | Oregon |
| Confederation of Aboriginal Nations | Californie |
| Consolidated Bahwetig Ojibwas and Mackinac Tribe | Michigan |
| Coree Indians (aka Faircloth Indians) | Caroline du Nord |
| Costanoan Rumsen Carmel Tribe | Californie |
| Costanoan Tribe of Santa Cruz and San Juan Bautista Missions | Californie |
| Costoanoan Ohlone Rumsen-Mutsen Tribe | Californie |
| Council for the Benefit of the Colorado Winnebagoes | Colorado |
| Cowasuck Band-Abenaki People | Massachusetts |
| Coweta Creek Tribe | Alabama |
| Creek Indians of Texas at Red Oak | Texas |
| Creek-Euchee Band of Indians of Florida | Floride |
| Creeks East of the Mississippi | Floride |
| Croatan Indian Tribe of South Carolina | Caroline du Sud |
| Cumberland County Association for Indian People | Caroline du Nord |
| Cumberland Creek Indian Confederation | Tennessee |
| Eagle Bear Band of Free Cherokees | Alabama |
| Principal Creek Indian Nation East of the Mississippi | Alabama |
| The Chickamauga Notowega Creeks | New York |
| The Chicora-Waccamaw Indian People | Caroline du Sud |
| The Chiricahua Tribe of California | Californie |
| The Langley Band of the Chickamogee Cherokee Indians of the Southeastern United States | Alabama |
| Wolf Creek Cherokee Tribe, Inc. of Florida | Alabama |