Mount Etna is a town in Huntington County, Indiana, United States.

It lies at the intersection of four townships: Jefferson, Lancaster, Polk and Wayne.

[4] It was an important trading point in the 19th century until the building of the railroad through neighboring rival towns diverted much of its business.

[5] Mount Etna is located on State Route 124 about 20 miles (32 km) west of Bluffton.

According to the 2010 census, Mount Etna has a total area of 0.08 square miles (0.21 km2), all land.

The racial makeup of the town was 96.8% White, 2.1% Pacific Islander, and 1.1% from other races.