| Official Name: | Alert |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Indiana#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Decatur |
| Subdivision Type3: | Township |
| Subdivision Name3: | Jackson |
| Population As Of: | 2000 |
| Population Total: | 90 |
| Coordinates: | 39.1603°N -85.6783°W |
| Elevation Ft: | 764 |
| Postal Code Type: | ZIP code |
| Postal Code: | 47283 |
| Blank Name: | FIPS code |
| Blank Info: | 18-00892[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 430058 |
Alert is an unincorporated community in Jackson Township, Decatur County, Indiana.
Alert was laid out in 1886.[2]