The Ka:'yu:'k't'h'/Che:k:tles7et'h' First Nation is a First Nations band based at Kyuquot, located on the outer coast of Kyuquot Sound.

The Ka'a'gee Tu First Nation is a Dene First Nations band in the Northwest Territories. The band is located on Kakisa Lake and is southeast of Fort Providence.

Kaguyak Village An Alaska tribe 

Kahkewistahaw First Nation is a Saulteaux- and Cree-speaking First Nation in southern Saskatchewan, Canada.

The Kahnawake Band is a First Nation occupying the Kahnawake Mohawk Territory on the south shore of the Saint Lawrence River in Quebec, Canada.

The Kaibab Indian Reservation the home of the Kaibab Band of Paiute Indians, a federally recognized tribe of Southern Paiutes.

Kaktovik Village (aka Barter Island)   is an Inupiat - Eskimo tribal island in Alaska.

The Kalispel Indian Community of the Kalispel Reservation is a federally recognized tribe of Lower Kalispel people, located in Washington. They are an Indigenous people of the Northwest Plateau.

Kanaka Bar First Nation, also known as T'eqt''aqtn'mux, is a Nlaka'pamux Nation located at Kanaka Bar, British Columbia, Canada.

Kanesatake First Nation is a Mohawk band on the shore of the Lake of Two Mountains in southwestern Quebec, Canada.

The Kansas City Indian Center is a multi-purpose social service agency for American Indians in 1971 founded as the Heart of America Indian Center,

Kapawe'no First Nation is a band government in Alberta, Canada. It is headquartered at Grouard, Alberta,

The Karuk Tribe is a federally recognized tribe of Karuk people. They are an indigenous people of California, located in the northwestern corner of the state, in Humboldt and Siskiyou Counties.

Kasabonika Lake First Nation is an Oji-Cree First Nations band located north of Sioux Lookout, Ontario.

The Kashechewan First Nation is a Cree First Nation band located near James Bay in Northern Ontario, Canada.

The Kashia Band of Pomo Indians of the Stewarts Point Rancheria is a Federally Recognized Tribe located in Sonoma County of California. 

Kasigluk Traditional Elders Council is located in Alaska.

K'atl'odeeche First Nation, also known as Hay River Reserve or Hay River Dene, is one of only two Indian reserves in Canada's Northwest Territories.

The Katzie First Nation is a band located in the Lower Fraser Valley region of British Columbia, Canada.

The Kaw Nation are a federally recognized Native American tribe in Oklahoma and parts of Kansas. 

The Kawacatoose First Nation is a Plains Cree First Nations band in Saskatchewan.

Kebaowek First Nation (Eagle Village) is a band in Quebec, Canada.

The Keeseekoose First Nation is a Saulteaux band located in Kamsack, Saskatchewan. The band is named for Chief Kiishikouse.

Keeseekoowenin Ojibway First Nation, also known as the Riding Mountain Band, is a band located near Elphinstone, Manitoba.

Keewaywin is a small Oji-Cree First Nation band in Northern Ontario, located north of Red Lake, Ontario.

The Kehewin Cree Nation is a First Nations band government in northern Alberta.

Kenaitze Indian Tribe is located in Alaska.

Ketchikan Indian Corporation is located in Alaska.

 The Kewa Pueblo, formerly known as Santo Domingo Pueblo, is one of the best known tribes of the southwest, largely because of their skill in marketing their jewelry and other crafts.

The L'Anse Indian Reservation is the land base of the Keweenaw Bay Indian Community of the Lake Superior Bands of Chippewa Indians in Baraga County in the UP of Michigan.

The Key First Nation is a band in southern Saskatchewan, Canada. The First Nation is located within Birdtail Ojibway Reserve.  

The Kialegee Tribal Town is a federally recognized Native American tribe in Oklahoma, as well as a traditional township within the former Muscogee Creek Confederacy in the American Southeast.

The Kickapoo Traditional Tribe of Texas, based in Eagle Pass.

The Kickapoo Tribe in Kansas has been in its present area since the 1832 Treaty of Castor Hill where the Kickapoo lived near the Missouri River.

The Kickapoo Tribe of Oklahoma is headquartered in McLoud, Oklahoma, and their tribal jurisdictional area is in Oklahoma, Pottawatomie, and Lincoln Counties.

King Island Native Community is an Alaskan Tribe of Inupiat called the Aseuluk meaning People of the Sea. 

 King Salmon Tribe is an Indian tribe in Alaska.

Kingfisher First Nation is an Oji-Cree First Nation reserve located 350 kilometres (220 mi) north of Sioux Lookout, Ontario, Canada.

The Kinistin Saulteaux Nation is a Saulteaux band in Saskatchewan. The band's reserve is located 39 kilometres (24 mi) southeast of Melfort.

The Kinonjeoshtegon First Nation is a band of Chippewa Indigenous Peoples in the Interlake Region of Manitoba.

 Kiowa Tribe of Oklahoma with headquarters in Carnegie, Oklahoma. 

Kitchenuhmaykoosib Inninuwug, also known as Big Trout Lake First Nation, is an Oji-Cree First Nation reserve in Northwestern Ontario.

Kitcisakik First Nation is a band with a reserve located in the Abitibi-Témiscamingue region of Quebec, Canada.

Kitigan Zibi Anishinabeg First Nation is an Algonquin community located in Maniwaki, Quebec.

The Klahoose First Nation is a band whose traditional territories are located on Cortes Island at the northern end of the Strait of Georgia, British Columbia.

The Klamath Tribes, formerly the Klamath Indian Tribe of Oregonconsisting of three Native American tribes : the Klamath, Modoc, and Yahooskin.

Klawock Tribe is located in  Alaska, Prince of Wales Island,  Tlingit, Haida, Tsimshian,

Cortina Rancheria (formerly, Cortina Indian Rancheria) is a reservation of the Kletsel Dehe Wintun Nation

The Kluane First Nation is a First Nations band in Yukon, Canada. Its main centre is in Burwash Landing, Yukon.

Knik Tribe the diversity of the Tribe, of Wasilla and of the Matanuska-Susitna (Mat-Su) Valley inspires him to connect more deeply with the Dena’ina culture.

The Koi Nation of the Lower Lake Rancheria is a federally recognized tribe of Southeastern Pomo people in Sonoma County, California.

Kokhanok (Qarr’unaq in Central Alaskan Yup'ik) is a census-designated place (CDP) in Lake and Peninsula Borough, Alaska.

The K'ómoks First Nation, also known as the Comox Indian Band, is a band consisting of the Island Comox or K'ómoks people of Vancouver Island, British Columbia.

The Kootenai Tribe of Idaho is a federally recognized tribe of Lower Kootenai people, sometimes called the Idaho Ksanka. The Ktunaxa, also known as Kutenai,

Koyukuk is a Koyukon Athabascan village located on the Yukon River near the mouth of the Koyukuk River, 30 miles west of Galena and 290 air miles west of Fairbanks.

The Kwadacha Nation, commonly known as Fort Ware, is a band located 570 km North of Prince George, British Columbia.

The Kwakiutl First Nation, also known as the Fort Rupert Band, is a First Nations band based on northern Vancouver Island in British Columbia.

The Kwanlin Dün First Nation is a band located in and around Whitehorse in Yukon, Canada. It is the largest First Nation in Yukon.

Kwantlen First Nation is a First Nations band in British Columbia, Canada, located primarily on McMillan Island near Fort Langley.

The Kwaw-kwaw-Apilt First Nation is a band of the Sto:lo people located in the Upper Fraser Valley region near Chilliwack, British Columbia.

The Kwiakah First Nation is a band of the Kwiakah people, a subgroup of the Laich-kwil-tach group of the Kwakwaka'wakw peoples.

Ḵwiḵwa̱sut'inux̱w Ha̱xwa'mis, formerly the Kwicksutaineuk-ah-kwa-mish First Nation, is a First Nations band located on northern Vancouver Island.

Kwikwetlem First Nation is the band of the kʷikʷəƛ̓əm, a Sto:lo people living in the Coquitlam area of British Columbia, Canada.