| Official Name: | Vienna, Indiana |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Indiana#USA |
| Pushpin Label: | Vienna |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Scott |
| Subdivision Type3: | Township |
| Subdivision Name3: | Vienna |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 38.6489°N -85.7689°W |
| Elevation Ft: | 571 |
| Postal Code Type: | ZIP code |
| Postal Code: | 47170 |
| Area Code: | 812, 930 |
| Blank Name: | FIPS code |
| Blank Info: | 18-79082[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 445284 |
Vienna is an unincorporated community in Vienna Township, Scott County, in the U.S. state of Indiana.
A post office was established at Vienna in 1832, and remained in operation until it was discontinued in 1942.[2] The community was named after Vienna, in Austria.[3]
Per 2020 data, 8.3% of the population is aged 18–24; 29.1% aged 25–44; 21.4% aged 45–64 and 20.5% aged 65+. Of this, 38.0% of the population is Protestant, 1.7% Catholic, 1.0% Mormon, and 59.3% unaffiliated.[4]
| White | 96.5% | |
| Hispanic | 3.7% | |
| Black | 0.3% | |
| Asian | 0.0% | |
| American Indian & Alaska Natives | 1.0% | |
| Native Hawaiians & Other Pacific Islanders 0.0% | 0.0% | |
| Multi | 1.0% | |
| Other | 1.2% |
39.7% of residents in Vienna township, Indiana have earned a Bachelor's degree or higher, with 33.0% of the residents holding a STEM (Science, Technology, Engineering, Mathematics) degrees. 41.2% of residents hold some high school graduate degree (including equivalency).