| Total population | |
|---|---|
| 5,059 (2011) | |
| Regions with significant populations | |
 United States ( Oklahoma) | |
| Languages | |
| English | |
| Religion | |
| Longhouse | |
| Related ethnic groups | |
| Haudenosaunee, Wyandot, other Iroquoian peoples |
The Seneca–Cayuga Nation is a United States federally recognized tribe of the Seneca people. They are in the northeast of Oklahoma, United States. They are originally from the Iroquois. They used to live around Ohio and New York. The other Seneca tribes are in New York. They are the Seneca Nation of Indians and the Tonawanda Band of Seneca.