| Official Name: | Etna Township, Licking County, Ohio |
| Settlement Type: | Township |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Ohio |
| Subdivision Type2: | County |
| Subdivision Name2: | Licking |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 60.6 |
| Area Land Km2: | 60.3 |
| Area Water Km2: | 0.3 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 18896 |
| Population Density Km2: | auto |
| Population Density Sq Mi: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Footnotes: | [3] |
| Elevation M: | 326 |
| Elevation Ft: | 1070 |
| Coordinates: | 39.9539°N -82.6936°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 43018, 43062 |
| Area Code: | 740 |
| Blank Name: | FIPS code |
| Blank Info: | 39-25690[4] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1086456 |
Etna Township is one of the 25 townships of Licking County, Ohio, United States. As of the 2020 census, the population was 18,896.
Located in the southwestern corner of the county, it borders the following townships and city:
Part of the city of Reynoldsburg occupies the western end of Etna Township, part of the village of Kirkersville occupies the eastern end, and the unincorporated community of Etna lies in the central part of the township.
Etna Township was established in 1833.[5] It is the only Etna Township statewide.[6]
Two Native American mounds, known as the "Etna Township Mounds", are located within the township. Etna Township is located entirely within the Refugee Tract.
The township is governed by a three-member board of trustees, who are elected in November of odd-numbered years to a four-year term beginning on the following January 1. Two are elected in the year after the presidential election and one is elected in the year before it. There is also an elected township fiscal officer,[7] who serves a four-year term beginning on April 1 of the year after the election, which is held in November of the year before the presidential election. Vacancies in the fiscal officership or on the board of trustees are filled by the remaining trustees.