← All Tribes
Cheyenne River Sioux Tribe of the Cheyenne River Reservation, South Dakota
Federally RecognizedSD- Official website
- https://www.cheyenneriversioux.com/
- Tribal government contact
- Ryman LeBeau, Chairman24 E. StreetEagle Butte, South Dakota, 57625(605) 964-4155
- BIA region
- Great Plains · Cheyenne River Agency
- Enrollment criteria
- Each Nation sets its own enrollment law. We're still gathering this Nation's criteria — enrollment is determined solely by the Tribe.
- Recognition
- 91 FR 4102 (Jan 30, 2026)
This profile is being built. If you represent this Nation and want to add or correct enrollment information, contact us.
NNBN confirms federal recognition and displays information as published by the Nation and the U.S. government. NNBN does not adjudicate or re-issue tribal enrollment — the Nation is always the sole authority on its membership.