thumb|270px|Etna, Wyoming
Etna is a census-designated place (CDP) in Lincoln County, Wyoming, United States. The population was 185 at the 2020 census.
Geography
Etna is located at (43.031124, -111.016042). in Star Valley, a grassland valley surrounded by forested mountains.
According to the United States Census Bureau, the CDP has a total area of 2.0 square miles (5.1 km<sup>2</sup>), all land.
Demographics
As of the census