Entiat is a city in Chelan County, Washington, United States. It is part of the Wenatchee−East Wenatchee Metropolitan Statistical Area. The population was 1,326 at the 2020 census. The name "Entiat" refers to the indigenous Entiat people, whose name comes from the Moses-Columbian Salishan word/nt'yátkʷ/,, "place of grassy water", from/na-/, "place",/st'íyaʔ/, "tall grass, hay", and/-atkʷ/, "water".