|Region||Southern Californian coastal areas|
|Extinct||1917, with the death of Rosario Cooper|
Obispeño (also known as Northern Chumash) was one of the Chumash Native American languages previously spoken along the coastal areas of Southern California. The primary source of documentation on the language is from the work of linguist J. P. Harrington.
Obispeño is classified as the sole member of the northern branch of the Chumashan language family.
Obispeño was spoken in the region of San Luis Obispo, California.