Kittitas is a city in Kittitas County, Washington, United States. The population was 1,381 at the 2010 census.
There are numerous interpretations of the name, which is from the language of the Kittitas American Indian language. According to one source, it "has been said to mean everything from 'white chalk' to 'shale rock' to 'shoal people' to 'land of plenty'. Most anthropologists and historians concede that each interpretation has some validity depending upon the particular dialect spoken."
Kittitas was established in 1889 it was officially incorporated on December 9, 1931.