Yacolt ( /jækoʊlt/) is a town in Clark County, Washington, United States. The population was 1,556 at the 2010 census.
Yacolt is an Indian term meaning "haunted place". In September 1902 the town, which consisted of only 15 buildings at the time, was nearly destroyed by the Yacolt Burn, the largest fire in state history. Yacolt was officially incorporated on July 31, 1908.
Yacolt is located at 45°51′56″N 122°24′25″W / 45.86556°N 122.40694°W / 45.86556; -122.40694 (45.865506, -122.407028).