| Official Name: | New Marion, Indiana |
| Settlement Type: | Unincorporated community and Census-designated place |
| Pushpin Map: | Indiana#USA |
| Pushpin Label: | New Marion |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Ripley |
| Subdivision Type3: | Township |
| Subdivision Name3: | Shelby |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 39.0081°N -85.3583°W |
| Elevation Ft: | 919 |
| Postal Code Type: | ZIP code |
| Postal Code: | 47023 |
| Area Code: | 812, 930 |
| Blank Name: | FIPS code |
| Blank Info: | 18-53226[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2830515 |
New Marion is an unincorporated community in Shelby Township, Ripley County, in the U.S. state of Indiana.
New Marion was laid out in 1832.[2] The community's name most likely honors Francis Marion.[3] A post office was established at New Marion in 1833, and remained in operation until it was discontinued in 1949.[4]