List of Native American Tribes
| Tribe Name | State |
|---|---|
| Absentee-Shawnee Tribe of Indians | California |
| Agua Caliente Band of Cahuilla Indians of the Agua Caliente Indian Reservation | California |
| Ak Chin Indian Community of the Maricopa (Ak Chin) Indian Reservation | Arizona |
| Alabama-Coushatta Tribe | Texas |
| Alabama-Quassarte Tribal Town | Oklahoma |
| Alturas Indian Rancheria | California |
| Apache Tribe | Oklahoma |
| Arapahoe Tribe of the Wind River Reservation | Wyoming |
| Aroostook Band of Micmacs Indians | Maine |
| Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation | Montana |