Coyote Valley Band of Pomo Indians
- California.
- http://www.coyotevalleytribe.com/

Cayuga Nation
- History and flag of the Cayuga tribe from the Six Nations reserve in the northeastern United States and Canada.
- http://tuscaroras.com/cayuganation/

Cheyenne River Sioux Tribe
- South Dakota.
- http://www.sioux.org/

Cedarville Rancheria
- California.
- http://www.citlink.net/~cedranch/

Confederated Tribes of the Colville Reservation
- Washington.
- http://www.colvilletribes.com/

Confederated Tribes of the Umatilla Indian Reservation
- Cayuse, Umatilla and Walla Walla Tribes in Oregon. With history, culture, news, links, and a calendar of events.
- http://www.umatilla.nsn.us/

Chickaloon Village Traditional Council
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- http://www.chickaloon.org/

The Comanche Nation
- Official tribal government site with organizational information, history, and details of tribal programs.
- http://www.comanchenation.com/

Confederated Salish & Kootenai Tribes of the Flathead Reservation
- Montana.
- http://www.cskt.org/

Central Council of Tlingit and Haida Indian Tribes of Alaska
- Current issues, related programs, services offered, events and schedules, and contact information.
- http://www.ccthita.org/

Coushatta Tribe of Louisiana
- Includes history, events and contacts.
- http://www.coushattatribela.org/

Cocopah Indian Tribe
- Tribal seal, contact and employment information.
- http://www.cocopah.com/

Coeur d'Alene (Schitsu'umsh) Tribe
- Offers an overview of the tribe, its sovereignty, the ancestral lands, the reservation, departments, the tribal school, and contact information.
- http://www.cdatribe-nsn.gov/index.html

Citizen Potawatomi Nation
- Official site of this Oklahoma tribe includes news, links, and information on language, art, and culture.
- http://www.potawatomi.org/

Cher Ae Heights Indian Community of the Trinidad Rancheria
- California.Haida Indian Tribes AK
- http://www.trinidad-rancheria.org/

The Cherokee Nation
- Official tribal site with history and culture, events, employment, tribal government information and contacts.
- http://www.cherokee.org/

Cook Inlet Tribal Council, AK
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- http://www.citci.com/

Confederated Tribes and Bands of the Yakama Nation
- Washington.
- http://www.critfc.org/text/yakama.html

The Confederated Tribes of Grand Ronde
- Resources and information.
- http://www.grandronde.org/

Choctaw Nation of Oklahoma
- Official site of this Indian nation features news, history, transcribed interviews from the 19th century, job listings, events schedule, social services, language, and cultural programs.
- http://www.choctawnation.com//

Costanoan Rumsen Carmel Tribe
- California.
- http://crc.nativeweb.org/

Coquille Indian Tribe
- Oregon.
- http://www.coquilletribe.org/

Confederated Tribes Of Siletz Indians
- Official homepage includes history and culture, powwow information, tribal employment, and links.
- http://ctsi.nsn.us/

Caddo Nation
- Oklahoma.
- http://www.caddonation-nsn.gov/

Cow Creek Band of Umpqua Tribe of Indians
- Oregon.
- http://www.cowcreek.com/

California Valley Miwok Tribe
- California.
- http://www.californiavalleymiwoktribe-nsn.gov/

Chickasaw Nation
- Oklahoma. News, events and reports, and articles on history, arts, and culture from the official website of this Indian nation.
- http://www.chickasaw.net/

Confederated Tribes of the Chehalis
- Washington.
- http://www.chehalistribe.org/

Confederated Tribes of Warm Springs Indian Reservation of Oregon
- It is the land of the Warm Springs, Wasco and Paiute Native American Tribes, stretching from the summit of the Cascade Mountains to the cliffs of the Deschutes River.
- http://www.warmsprings.com/

Confederated Tribes of Coos, Lower Umpqua and Siuslaw Indians
- Confederation of 3 tribes that occupies portions of Coos and Douglas counties on the central coast and operates the Three Rivers Casino. Includes tribal history, culture, government, member services, news, music and video clips.
- http://www.ctclusi.org/