The Chemehuevi Indian Tribe of the Chemehuevi Reservation (Colorado River Numic language: Nüwüwü) is a federally recognized tribe of Chemehuevi people, who are the southernmost branch of Southern Paiute people.

To celebrate their organization under the Indian Reorganization Act, tribal recognition, and ratifying their constitution, the tribe hosts Nuwuvi Days, an annual festival held during the first weekend in June.

[3] The Chemehuevi Reservation (34°24′42″N 114°21′21″W / 34.41167°N 114.35583°W / 34.41167; -114.35583) is located in San Bernardino County, California, bordering Lake Havasu for 25 miles (40 km) and along the Colorado River.

[4] The Chemehuevi Indian Tribe's headquarters is located in Havasu Lake, California.

The tribe is governed by a democratically elected, nine-member tribal council.