Prescott is a town in central Walla Walla County, Washington, United States. The population was 318 at the 2010 census.
Prescott was named in 1881 after C.H. Prescott, the general superintendent of the Oregon Railway and Navigation Company after he designated it as the location for the railway's division shops. Prescott was officially incorporated on March 13, 1903.
Prescott is located at 46°17′56″N 118°18′52″W / 46.29889°N 118.31444°W / 46.29889; -118.31444 (46.298872, -118.314408).