The Klickitat (also spelled Klikitat) are a Native American tribe of the Pacific Northwest. A Shahaptian tribe, their neighbors to the east were the Yakama, who speak a closely related language. Their neighbors to the west are the Salishan and Chinookan tribes. Their name has been used for naming places like Klickitat County, Washington, Klickitat, Washington, and the Klickitat River, a tributary of the Columbia River.