| Official Name: | Etna, Washington |
| Pushpin Map: | Washington#USA |
| Pushpin Label: | Etna |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Washington |
| Subdivision Type2: | County |
| Subdivision Name2: | Clark |
| Timezone: | Pacific (PST) |
| Utc Offset: | -8 |
| Timezone Dst: | PDT |
| Utc Offset Dst: | -7 |
| Elevation M: | 91 |
| Elevation Ft: | 299 |
| Coordinates: | 45.9381°N -122.5983°W |
| Postal Code Type: | ZIP code |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
Etna is an unincorporated community in Clark County, Washington.
A post office called Etna was established in 1882, and remained in operation until 1918.[1] The name is a transfer from Etna Green, Indiana.[2]