The Coast Miwok Indians spoke various dialects of the Miwok language, which is part of the Penutian language family. The dialects spoken by the Coast Miwok people included Marin, Bodega, and Bolinas.

Yokuts is a Native American group that historically inhabited the San Joaquin Valley in California. They are part of the larger linguistic group called the Yok-Utian languages, which includes several other Native American tribes in California.

The major are the Na-Den, Hokan, Penutian, and Aztec- Tanoan.