Luiseño language

The Luiseño language is a Uto-Aztecan language of California spoken by the Luiseño, a Native American people who at the time of first contact with the Spanish in the 16th century inhabited the coastal area of southern California, ranging 50 miles (80 km) from the southern part of Los Angeles County, California, to the northern part of San Diego County, California, and inland 30 miles (48 km). The people are called "Luiseño", owing to their proximity to the Mission San Luis Rey de Francia.

The language went extinct in the early 2010's, but an active language revitalization project is underway, assisted by linguists from the University of California, Riverside. The Pechanga Band of Luiseño Indians offers classes for children, and in 2013, "the tribe ... began funding a graduate-level Cal State San Bernardino Luiseño class, one of the few for-credit university indigenous-language courses in the country." In 2012, a Luiseño video game for the Nintendo DS was being used to teach the language to young people.

Juaneño, the Luiseño dialect spoken by the Acjachemen, went extinct at an earlier date.