Rainy River First Nations, also known as Manitou Rapids, is an Ojibwe First Nation band in Emo, Ontario, Canada.

Ramah Navajo Chapter Reservation is a non-contiguous section of the Navajo Nation lying in parts of west-central Cibola and southern McKinley counties in New Mexico

The Ramona Band of Cahuilla is a federally recognized tribe of Cahuilla Indians, located in Riverside County, California.

Rampart is located on the south bank of the Yukon River, approximately 75 miles upstream from its junction with the Tanana River, 100 miles northwest of Fairbanks.

The Rappahannock is located in Virginia made up of several small Alogonquian speaking tribes who merged in the 17th century.

Red Cliff Band of Lake Superior Chippewa is a band of Ojibwe Native Americans is located in Bayfield County, Wisconsin. 

Red Lake Band of Chippewa Indians is located in northwest Minnesota.

The Red Pheasant Cree Nation is a Plains Cree First Nations band in the Canadian province of Saskatchewan. It's located 33 km south of North Battleford.

The Red Rock Indian Band (also known as Lake Helen Reserve) is an Ojibwe First Nation band in Northwestern Ontario, Canada.

Red Sucker Lake is an Oji-Cree First Nation in Manitoba, Canada. It is located on a peninsula on the northeast shore of Red Sucker Lake.

Redding Rancheria, California consists of Wintun, Achomawi and Yana Indians in Shasta County in Sacramento Valley.

Redwood Valley or Little River Band of Pomo Indians of the Redwood Valley Rancheria California 

Reno-Sparks Indian Colony, Nevada consists of the Paiute, Shoshone and Washoe tribes.

Resighini Rancheria, California  is a Yurok Tribe located hear Klamath, California.

Rincon Band of Luiseno Mission Indians of the Rincon Reservation, California 

Robinson Rancheria is the Eastern Pomo people in Lake County, California.

The Rolling River First Nation is a Treaty 4 territory band located south of Riding Mountain National Park and along the southern boundary of the park.

Roseau River Anishinabe First Nation is a First Nation in southern Manitoba and is located approximately one hour south of Winnipeg.

Rosebud Sioux Tribe of the Rosebud Indian Reservation, SD is part of the Lakota Sioux.

The Ross River Dena Council is a First Nation in the eastern Yukon Territory in Canada. Its main centre is in Ross River, Yukon.

Round Valley Indian Tribes, Round Valley Reservation, California is a Pomo Tribe located in Mendocino County.