Huntsville is an unincorporated community in Columbia County, in the U.S. state of Washington.
A post office called Huntsville was established in 1880, and remained in operation until 1968. The community was named for B. J. Hunt, an original owner of the town site.
Coordinates: 46°17′14″N 118°06′26″W / 46.28722°N 118.10722°W