The Yuki language, also spelled Ukiah and also known as Ukomno'm, was a language of California, spoken by the indigenous American Yuki people, formerly in the Eel River area, the Round Valley Reservation, northern California. It became extinct some time in the 20th century. Yuki is generally thought to be distantly related to the Wappo language.Yuki consisted of three dialects: Northern Yuki (Round Valley Yuki), Coast Yuki, and Huchnom (Clear Lake Yuki).