| Official Name: | Ari, Indiana |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Indiana#USA |
| Pushpin Label: | Ari |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Allen, Noble |
| Subdivision Type3: | Township |
| Subdivision Name3: | Eel River, Swan |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 41.2636°N -85.2494°W |
| Elevation Ft: | 876 |
| Postal Code Type: | ZIP code |
| Postal Code: | 46723 |
| Area Code: | 260 |
| Blank Name: | FIPS code |
| Blank Info: | 18-02062[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 450509 |
Ari is an unincorporated community in Allen and Noble counties, in the U.S. state of Indiana.
A post office was established at Ari in 1872,[2] and remained in operation until it was discontinued in 1914.[3]